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TABLE 6 in A new genus of armored catfish (Siluriformes: Loricariidae) from the Greater Amazon, with a review of the species and description of five new species

<p><b>TABLE 6 |</b> Descriptive morphometrics of <i>Rhinotocinclus</i> species. Values given as percent of standard length or head length. Range includes the holotype (Hol), SD = standard deviation.</p><table><tbody><tr><th></th><th></th><th><i>R. collinsae</i> n = 20</th><th></th><th></th><th><i>R. halbothi</i> n = 12</th><th></th><th></th><th><i>R. hardmani</i> n = 19</th><th></th></tr></tbody><tbody><tr><th>Character</th><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><th></th><td>Hol</td><td>Low</td><td>High</td><td>Mean</td><td>SD</td><td>Hol</td><td>Low</td><td>High</td><td>Mean</td><td>SD</td><td>Hol</td><td>Low</td><td>High</td><td>Mean</td><td>SD</td></tr><tr><th>Standard length (mm)</th><td>23.9</td><td>18.0</td><td>24.2</td><td>22.1</td><td></td><td>19.4</td><td>17.5</td><td>19.9</td><td>18.8</td><td></td><td>22.7</td><td>20.3</td><td>24.3</td><td>22.6</td><td></td></tr><tr><th><b>Percent of SL</b></th></tr><tr><th>Body depth</th><td>16.2</td><td>16.0</td><td>17.9</td><td>16.8</td><td>0.68</td><td>15.9</td><td>14.7</td><td>19.5</td><td>16.3</td><td>1.14</td><td>16.5</td><td>13.8</td><td>16.6</td><td>15.3</td><td>0.87</td></tr><tr><th>Predosal distance</th><td>49.1</td><td>49.1</td><td>52.5</td><td>51.0</td><td>0.97</td><td>51.3</td><td>51.0</td><td>55.5</td><td>53.0</td><td>1.38</td><td>50.4</td><td>50.1</td><td>53.7</td><td>51.8</td><td>1.11</td></tr><tr><th>Prepelvic distance</th><td>48.0</td><td>45.4</td><td>49.3</td><td>47.8</td><td>1.27</td><td>50.5</td><td>45.9</td><td>54.6</td><td>50.0</td><td>2.10</td><td>49.1</td><td>48.1</td><td>51.0</td><td>49.6</td><td>0.85</td></tr><tr><th>Preanal distance</th><td>67.9</td><td>66.9</td><td>69.3</td><td>68.0</td><td>0.87</td><td>70.4</td><td>66.2</td><td>75.2</td><td>69.6</td><td>2.43</td><td>68.3</td><td>66.2</td><td>70.4</td><td>68.6</td><td>1.27</td></tr><tr><th>Preadipose distance</th><td>81.6</td><td>81.0</td><td>84.5</td><td>82.4</td><td>0.89</td><td>79.7</td><td>78.1</td><td>86.0</td><td>80.7</td><td>2.27</td><td>81.2</td><td>77.9</td><td>82.4</td><td>80.7</td><td>1.23</td></tr><tr><th>Dorsal-fin spine length</th><td>19.5</td><td>17.6</td><td>22.0</td><td>20.0</td><td>1.28</td><td>19.9</td><td>17.8</td><td>21.6</td><td>20.0</td><td>1.13</td><td>19.0</td><td>16.4</td><td>19.7</td><td>18.7</td><td>0.80</td></tr><tr><th>Anal-fin unbranched ray length</th><td>15.1</td><td>12.6</td><td>15.4</td><td>14.1</td><td>0.96</td><td>13.2</td><td>13.0</td><td>17.3</td><td>14.9</td><td>1.22</td><td>15.6</td><td>12.6</td><td>15.8</td><td>14.2</td><td>0.93</td></tr><tr><th>Adipose-fin spine length</th><td>5.6</td><td>5.5</td><td>7.7</td><td>6.5</td><td>0.83</td><td>5.3</td><td>4.5</td><td>7.2</td><td>5.4</td><td>0.90</td><td>4.6</td><td>3.4</td><td>5.4</td><td>4.5</td><td>0.57</td></tr><tr><th>Pectoral-fin spine length</th><td>24.6</td><td>23.3</td><td>27.9</td><td>25.0</td><td>1.31</td><td>19.4</td><td>19.4</td><td>24.3</td><td>21.9</td><td>1.44</td><td>24.2</td><td>22.9</td><td>26.9</td><td>25.2</td><td>0.97</td></tr><tr><th>Caudal peduncle depth</th><td>9.5</td><td>9.4</td><td>10.4</td><td>9.8</td><td>0.32</td><td>9.1</td><td>9.0</td><td>10.3</td><td>9.6</td><td>0.46</td><td>8.8</td><td>8.2</td><td>9.1</td><td>8.7</td><td>0.30</td></tr><tr><th>Dorsal-adipose fin distance</th><td>19.6</td><td>17.8</td><td>19.7</td><td>19.1</td><td>0.66</td><td>16.7</td><td>14.3</td><td>21.1</td><td>17.0</td><td>1.71</td><td>16.1</td><td>16.1</td><td>18.5</td><td>17.3</td><td>0.62</td></tr><tr><th>Dorsal-fin base length</th><td>12.3</td><td>10.1</td><td>13.0</td><td>11.9</td><td>0.83</td><td>15.1</td><td>12.1</td><td>15.1</td><td>13.1</td><td>0.81</td><td>11.5</td><td>11.3</td><td>13.5</td><td>12.2</td><td>0.73</td></tr><tr><th>Lower caudal-fin principal ray</th><td>26.2</td><td>21.4</td><td>26.4</td><td>24.3</td><td>1.68</td><td>23.7</td><td>21.9</td><td>26.5</td><td>24.2</td><td>1.31</td><td>24.1</td><td>19.0</td><td>27.7</td><td>24.0</td><td>1.88</td></tr><tr><th>Cleithral width</th><td>26.6</td><td>25.4</td><td>29.0</td><td>26.9</td><td>0.99</td><td>29.4</td><td>28.1</td><td>31.3</td><td>29.1</td><td>0.83</td><td>22.9</td><td>21.8</td><td>23.8</td><td>22.7</td><td>0.57</td></tr><tr><th>Head length</th><td>38.6</td><td>38.1</td><td>42.2</td><td>39.9</td><td>1.35</td><td>41.9</td><td>38.9</td><td>44.4</td><td>42.0</td><td>1.36</td><td>40.4</td><td>38.1</td><td>42.8</td><td>40.7</td><td>1.43</td></tr><tr><th><b>Percent of HL</b></th></tr><tr><th>Head depth</th><td>43.4</td><td>40.2</td><td>44.5</td><td>42.3</td><td>1.48</td><td>38.9</td><td>38.5</td><td>48.5</td><td>41.0</td><td>2.63</td><td>38.2</td><td>35.3</td><td>39.1</td><td>37.8</td><td>1.13</td></tr><tr><th>Interorbital distance</th><td>29.7</td><td>26.6</td><td>30.5</td><td>28.8</td><td>1.05</td><td>29.9</td><td>27.1</td><td>33.6</td><td>29.6</td><td>1.53</td><td>24.1</td><td>21.9</td><td>25.0</td><td>23.9</td><td>0.79</td></tr><tr><th>Orbital horizontal diameter</th><td>12.6</td><td>12.3</td><td>14.2</td><td>13.0</td><td>0.53</td><td>12.6</td><td>11.1</td><td>16.1</td><td>12.9</td><td>1.38</td><td>12.8</td><td>11.1</td><td>14.4</td><td>13.2</td><td>1.10</td></tr><tr><th>Snout length</th><td>57.5</td><td>56.4</td><td>58.9</td><td>57.7</td><td>0.87</td><td>58.0</td><td>57.8</td><td>65.6</td><td>60.0</td><td>2.54</td><td>59.5</td><td>56.0</td><td>60.6</td><td>58.8</td><td>1.36</td></tr><tr><th>Internarial distance</th><td>8.7</td><td>6.3</td><td>9.5</td><td>7.9</td><td>1.17</td><td>10.0</td><td>7.6</td><td>11.0</td><td>9.0</td><td>1.05</td><td>6.8</td><td>5.6</td><td>7.8</td><td>6.7</td><td>0.62</td></tr><tr><th><b>Tooth count</b></th></tr><tr><th>Premaxilla</th><td>33</td><td>25</td><td>33</td><td>28.6</td><td>2.73</td><td>30</td><td>28</td><td>32</td><td>29.8</td><td>1.71</td><td>21</td><td>18</td><td>22</td><td>20.5</td><td>1.38</td></tr><tr><th>Dentary</th><td>32</td><td>24</td><td>32</td><td>26.5</td><td>2.70</td><td>30</td><td>26</td><td>30</td><td>27.7</td><td>1.80</td><td>18</td><td>16</td><td>19</td><td>17.6</td><td>0.98</td></tr></tbody></table>

TABLE 5 in A new genus of armored catfish (Siluriformes: Loricariidae) from the Greater Amazon, with a review of the species and description of five new species

<p><b>TABLE 5 |</b> Descriptive morphometrics of Rhinotocinclus species. Values given as percent of standard length or head length. Range includes the holotype (Hol), SD = standard deviation.</p><table><tbody><tr><th></th><th></th><th><i>R. kwarup</i> n=20</th><th></th><th></th><th><i>R. discolor</i> n=20</th><th></th><th></th><th><i>R. pilosus</i> n=20</th><th></th><th></th><th><i>R. isabelae</i> n=15</th><th></th></tr></tbody><tbody><tr><th>Character</th><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><th></th><td>Hol</td><td>Low</td><td>High</td><td>Mean</td><td>SD</td><td>Hol</td><td>Low</td><td>High</td><td>Mean</td><td>SD</td><td>Hol</td><td>Low</td><td>High</td><td>Mean</td><td>SD</td><td>Hol</td><td>Low</td><td>High</td><td>Mean</td><td>SD</td></tr><tr><th>Standard length (mm)</th><td>21.6</td><td>18.8</td><td>23.7</td><td>21.3</td><td></td><td>24.4</td><td>21.6</td><td>25.2</td><td>23.3</td><td></td><td>22.6</td><td>18.1</td><td>22.6</td><td>20.2</td><td></td><td>17.6</td><td>14.6</td><td>17.9</td><td>16.6</td><td></td></tr><tr><th><b>Percent of SL</b></th></tr><tr><th>Body depth</th><td>15.1</td><td>13.6</td><td>17.2</td><td>15.7</td><td>0.88</td><td>16.2</td><td>16.2</td><td>18.7</td><td>17.2</td><td>0.71</td><td>16.9</td><td>15.4</td><td>18.9</td><td>17.3</td><td>0.84</td><td>19.9</td><td>17.8</td><td>20.9</td><td>19.4</td><td>0.85</td></tr><tr><th>Predosal distance</th><td>44.5</td><td>44.5</td><td>48.4</td><td>46.7</td><td>1.11</td><td>46.6</td><td>46.2</td><td>50.3</td><td>47.7</td><td>1.13</td><td>48.6</td><td>47.8</td><td>51.4</td><td>49.8</td><td>1.00</td><td>48.8</td><td>45.7</td><td>50.9</td><td>48.6</td><td>1.48</td></tr><tr><th>Prepelvic distance</th><td>42.4</td><td>40.6</td><td>44.9</td><td>42.5</td><td>0.98</td><td>42.6</td><td>42.1</td><td>46.0</td><td>43.8</td><td>1.17</td><td>45.1</td><td>44.1</td><td>48.2</td><td>46.3</td><td>1.05</td><td>44.3</td><td>41.1</td><td>48.4</td><td>45.3</td><td>1.75</td></tr><tr><th>Preanal distance</th><td>65.5</td><td>62.2</td><td>67.5</td><td>65.2</td><td>1.40</td><td>64.6</td><td>63.6</td><td>67.1</td><td>65.4</td><td>1.03</td><td>68.6</td><td>65.9</td><td>71.8</td><td>69.1</td><td>1.36</td><td>66.8</td><td>64.3</td><td>69.7</td><td>67.1</td><td>1.80</td></tr><tr><th>Preadipose distance</th><td>78.2</td><td>72.3</td><td>80.0</td><td>76.7</td><td>1.65</td><td>75.6</td><td>74.1</td><td>78.3</td><td>76.2</td><td>1.04</td><td>78.4</td><td>75.4</td><td>80.3</td><td>78.3</td><td>1.22</td><td>74.8</td><td>74.8</td><td>79.8</td><td>77.0</td><td>1.39</td></tr><tr><th>Dorsal-fin spine length</th><td>23.7</td><td>20.5</td><td>27.7</td><td>24.0</td><td>1.59</td><td>25.3</td><td>23.2</td><td>25.3</td><td>24.1</td><td>0.62</td><td>24.2</td><td>21.1</td><td>25.3</td><td>23.1</td><td>0.92</td><td>25.1</td><td>22.6</td><td>26.0</td><td>24.4</td><td>0.86</td></tr><tr><th>Anal-fin unbranched ray length</th><td>16.0</td><td>12.1</td><td>17.1</td><td>14.8</td><td>1.12</td><td>15.6</td><td>13.5</td><td>17.3</td><td>16.1</td><td>0.80</td><td>13.6</td><td>12.4</td><td>16.4</td><td>14.4</td><td>1.01</td><td>17.1</td><td>16.6</td><td>20.4</td><td>18.1</td><td>0.99</td></tr><tr><th>Adipose-fin spine length</th><td>7.2</td><td>5.3</td><td>8.4</td><td>7.1</td><td>0.74</td><td>8.6</td><td>7.6</td><td>10.3</td><td>8.5</td><td>0.82</td><td>6.1</td><td>6.0</td><td>7.9</td><td>6.7</td><td>0.51</td><td>7.4</td><td>7.0</td><td>9.4</td><td>8.0</td><td>0.59</td></tr><tr><th>Pectoral-fin spine length</th><td>28.4</td><td>23.9</td><td>29.6</td><td>26.6</td><td>1.62</td><td>26.9</td><td>24.8</td><td>27.3</td><td>26.4</td><td>0.65</td><td>28.4</td><td>24.7</td><td>29.8</td><td>27.1</td><td>1.24</td><td>29.2</td><td>27.9</td><td>30.2</td><td>29.2</td><td>0.62</td></tr><tr><th>Caudal peduncle depth</th><td>8.3</td><td>7.3</td><td>8.6</td><td>7.9</td><td>0.35</td><td>7.7</td><td>7.7</td><td>8.6</td><td>8.2</td><td>0.25</td><td>6.4</td><td>6.3</td><td>7.5</td><td>6.7</td><td>0.30</td><td>8.1</td><td>8.1</td><td>8.8</td><td>8.5</td><td>0.24</td></tr><tr><th>Dorsal-adipose fin distance</th><td>20.0</td><td>18.9</td><td>20.9</td><td>19.8</td><td>0.52</td><td>16.6</td><td>13.3</td><td>18.1</td><td>16.0</td><td>1.51</td><td>16.7</td><td>12.8</td><td>17.5</td><td>15.2</td><td>1.49</td><td>14.4</td><td>12.3</td><td>16.5</td><td>14.7</td><td>1.45</td></tr><tr><th>Dorsal-fin base length</th><td>12.2</td><td>9.5</td><td>12.7</td><td>11.3</td><td>0.93</td><td>11.8</td><td>10.1</td><td>12.9</td><td>12.0</td><td>0.69</td><td>12.7</td><td>11.2</td><td>14.7</td><td>12.3</td><td>1.01</td><td>12.9</td><td>11.6</td><td>13.7</td><td>12.6</td><td>0.59</td></tr><tr><th>Lower caudal-fin principal ray</th><td>23.9</td><td>21.1</td><td>28.7</td><td>25.0</td><td>1.81</td><td>28.4</td><td>25.2</td><td>29.7</td><td>27.5</td><td>1.35</td><td>24.0</td><td>21.3</td><td>27.3</td><td>23.7</td><td>1.32</td><td>27.4</td><td>23.4</td><td>29.1</td><td>27.4</td><td>1.43</td></tr><tr><th>Cleithral width</th><td>27.5</td><td>24.4</td><td>27.5</td><td>26.0</td><td>0.97</td><td>26.6</td><td>26.5</td><td>28.3</td><td>27.2</td><td>0.52</td><td>27.3</td><td>27.2</td><td>29.0</td><td>28.0</td><td>0.51</td><td>31.6</td><td>29.5</td><td>31.6</td><td>30.5</td><td>0.56</td></tr><tr><th>Head length</th><td>35.3</td><td>32.4</td><td>37.4</td><td>35.4</td><td>1.60</td><td>37.0</td><td>36.8</td><td>39.3</td><td>37.8</td><td>0.72</td><td>38.9</td><td>38.9</td><td>43.1</td><td>41.7</td><td>0.97</td><td>40.2</td><td>39.4</td><td>42.7</td><td>40.8</td><td>1.05</td></tr><tr><th><b>Percent of HL</b></th></tr><tr><th>Head depth</th><td>43.6</td><td>41.2</td><td>48.0</td><td>44.4</td><td>1.90</td><td>42.1</td><td>39.5</td><td>48.4</td><td>42.8</td><td>2.61</td><td>41.7</td><td>36.2</td><td>43.0</td><td>39.9</td><td>1.66</td><td>47.2</td><td>46.4</td><td>50.8</td><td>48.6</td><td>1.30</td></tr><tr><th>Interorbital distance</th><td>37.1</td><td>31.9</td><td>37.7</td><td>35.3</td><td>1.76</td><td>30.9</td><td>28.7</td><td>34.4</td><td>31.0</td><td>1.45</td><td>36.7</td><td>32.0</td><td>36.7</td><td>33.5</td><td>1.12</td><td>34.5</td><td>33.0</td><td>36.3</td><td>34.9</td><td>1.02</td></tr><tr><th>Orbital horizontal diameter</th><td>18.8</td><td>16.8</td><td>21.3</td><td>18.6</td><td>1.36</td><td>18.1</td><td>15.4</td><td>19.7</td><td>17.7</td><td>1.23</td><td>18.4</td><td>15.0</td><td>18.9</td><td>16.8</td><td>0.95</td><td>16.5</td><td>15.8</td><td>17.8</td><td>16.8</td><td>0.63</td></tr><tr><th>Snout length</th><td>52.4</td><td>50.0</td><td>55.8</td><td>53.0</td><td>1.30</td><td>52.7</td><td>49.7</td><td>58.5</td><td>53.0</td><td>2.41</td><td>57.3</td><td>53.4</td><td>57.3</td><td>55.1</td><td>1.11</td><td>52.5</td><td>51.5</td><td>54.7</td><td>53.3</td><td>1.03</td></tr><tr><th>Internarial distance</th><td>9.1</td><td>6.4</td><td>10.4</td><td>8.5</td><td>0.99</td><td>8.3</td><td>7.7</td><td>10.8</td><td>9.0</td><td>0.85</td><td>11.1</td><td>8.6</td><td>11.8</td><td>10.1</td><td>0.95</td><td>10.3</td><td>9.6</td><td>11.6</td><td>10.7</td><td>0.55</td></tr><tr><th><b>Tooth count</b></th></tr><tr><th>Premaxilla</th><td>-</td><td>28</td><td>34</td><td>30.2</td><td>2.13</td><td>24</td><td>23</td><td>26</td><td>24.3</td><td>0.99</td><td>35</td><td>31</td><td>37</td><td>33.8</td><td>1.81</td><td>22</td><td>21.0</td><td>29.0</td><td>24.3</td><td>2.46</td></tr><tr><th>Dentary</th><td>-</td><td>27</td><td>33</td><td>29.8</td><td>1.66</td><td>24</td><td>19</td><td>24</td><td>21.9</td><td>1.58</td><td>34</td><td>29</td><td>35</td><td>31.8</td><td>1.96</td><td>20</td><td>18.0</td><td>24.0</td><td>21.5</td><td>2.20</td></tr></tbody></table>

TABLE 8 in A new genus of armored catfish (Siluriformes: Loricariidae) from the Greater Amazon, with a review of the species and description of five new species

<p><b>TABLE 8 |</b> Descriptive morphometrics of <i>Rhinotocinclus</i> species. Values given as percent of standard length or head length. Range includes the holotype (Hol), SD = standard deviation.</p><table><tbody><tr><th></th><th><i>R. pentakelis</i> n = 16</th><th></th><th><i>R. marginalis</i> n = 13</th><th></th><th></th><th><i>R. loxochelis</i> n = 9</th><th></th></tr></tbody><tbody><tr><th>Character</th><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><th></th><td>Low</td><td>High</td><td>Mean</td><td>SD</td><td>Hol</td><td>Low</td><td>High</td><td>Mean</td><td>SD</td><td>Hol</td><td>Low</td><td>High</td><td>Mean</td><td>SD</td></tr><tr><th>Standard length (mm)</th><td>18.1</td><td>23.6</td><td>21.2</td><td></td><td>19.6</td><td>18.2</td><td>20.8</td><td>19.4</td><td></td><td>22.6</td><td>20.3</td><td>23.1</td><td>21.6</td><td></td></tr><tr><th><b>Percent of SL</b></th></tr><tr><th>Body depth</th><td>18.4</td><td>20.8</td><td>19.5</td><td>0.80</td><td>17.7</td><td>16.5</td><td>18.7</td><td>17.9</td><td>0.62</td><td>18.7</td><td>18.3</td><td>20.4</td><td>19.4</td><td>0.70</td></tr><tr><th>Predosal distance</th><td>47.1</td><td>49.5</td><td>48.1</td><td>0.79</td><td>47.8</td><td>43.6</td><td>49.8</td><td>47.7</td><td>1.45</td><td>50.0</td><td>48.7</td><td>52.8</td><td>50.5</td><td>1.55</td></tr><tr><th>Prepelvic distance</th><td>42.0</td><td>45.2</td><td>43.6</td><td>0.83</td><td>45.2</td><td>43.1</td><td>46.7</td><td>44.7</td><td>1.11</td><td>44.1</td><td>42.8</td><td>46.4</td><td>44.3</td><td>1.19</td></tr><tr><th>Preanal distance</th><td>62.4</td><td>66.6</td><td>64.3</td><td>1.20</td><td>62.9</td><td>56.4</td><td>65.1</td><td>62.9</td><td>2.22</td><td>65.0</td><td>61.7</td><td>66.2</td><td>63.9</td><td>1.27</td></tr><tr><th>Preadipose distance</th><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td></tr><tr><th>Dorsal-fin spine length</th><td>27.0</td><td>30.8</td><td>28.8</td><td>1.24</td><td>23.1</td><td>21.9</td><td>25.7</td><td>24.1</td><td>1.18</td><td>25.7</td><td>23.2</td><td>27.6</td><td>25.4</td><td>1.29</td></tr><tr><th>Anal-fin unbranched ray length</th><td>18.4</td><td>21.8</td><td>19.7</td><td>0.90</td><td>18.0</td><td>17.0</td><td>19.9</td><td>18.6</td><td>0.77</td><td>17.3</td><td>17.1</td><td>19.0</td><td>18.0</td><td>0.73</td></tr><tr><th>Adipose-fin spine length</th><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td></tr><tr><th>Pectoral-fin spine length</th><td>28.8</td><td>33.5</td><td>30.6</td><td>1.23</td><td>28.7</td><td>28.3</td><td>30.3</td><td>29.2</td><td>0.58</td><td>32.1</td><td>30.4</td><td>32.1</td><td>31.2</td><td>0.63</td></tr><tr><th>Caudal peduncle depth</th><td>10.1</td><td>11.7</td><td>10.7</td><td>0.42</td><td>9.2</td><td>9.3</td><td>10.0</td><td>9.6</td><td>0.23</td><td>10.5</td><td>10.3</td><td>11.2</td><td>10.8</td><td>0.31</td></tr><tr><th>Dorsal-adipose fin distance</th><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td></tr><tr><th>Dorsal-fin base length</th><td>11.1</td><td>13.1</td><td>12.5</td><td>0.46</td><td>12.1</td><td>11.4</td><td>12.4</td><td>12.0</td><td>0.27</td><td>11.9</td><td>11.8</td><td>13.5</td><td>12.6</td><td>0.66</td></tr><tr><th>Lower caudal-fin principal ray</th><td>26.9</td><td>34.6</td><td>29.9</td><td>1.88</td><td>27.4</td><td>27.4</td><td>31.5</td><td>29.0</td><td>1.37</td><td>27.4</td><td>24.5</td><td>29.2</td><td>27.0</td><td>1.51</td></tr><tr><th>Cleithral width</th><td>25.4</td><td>27.5</td><td>26.2</td><td>0.53</td><td>25.6</td><td>24.6</td><td>27.2</td><td>25.8</td><td>0.67</td><td>26.2</td><td>26.1</td><td>27.4</td><td>26.8</td><td>0.50</td></tr><tr><th>Head length</th><td>37.5</td><td>39.7</td><td>38.3</td><td>0.61</td><td>39.2</td><td>38.0</td><td>40.8</td><td>39.3</td><td>0.97</td><td>39.3</td><td>39.3</td><td>42.1</td><td>40.4</td><td>0.79</td></tr><tr><th><b>Percent of HL</b></th></tr><tr><th>Head depth</th><td>43.6</td><td>49.5</td><td>47.1</td><td>1.70</td><td>45.2</td><td>40.2</td><td>46.1</td><td>44.0</td><td>1.83</td><td>49.4</td><td>44.3</td><td>49.4</td><td>46.8</td><td>1.75</td></tr><tr><th>Interorbital distance</th><td>36.9</td><td>40.9</td><td>39.1</td><td>0.94</td><td>34.8</td><td>34.8</td><td>37.6</td><td>36.1</td><td>0.86</td><td>42.3</td><td>38.8</td><td>43.9</td><td>42.1</td><td>1.46</td></tr><tr><th>Orbital horizontal diameter</th><td>15.9</td><td>18.2</td><td>16.7</td><td>0.62</td><td>16.7</td><td>14.9</td><td>17.5</td><td>16.2</td><td>0.72</td><td>17.5</td><td>15.9</td><td>18.1</td><td>17.3</td><td>0.63</td></tr><tr><th>Snout length</th><td>49.2</td><td>53.3</td><td>51.0</td><td>1.05</td><td>51.4</td><td>47.9</td><td>53.1</td><td>50.7</td><td>1.27</td><td>50.0</td><td>49.4</td><td>52.3</td><td>51.0</td><td>0.98</td></tr><tr><th>Internarial distance</th><td>7.6</td><td>12.3</td><td>9.7</td><td>1.55</td><td>12.4</td><td>8.2</td><td>13.2</td><td>11.1</td><td>1.30</td><td>14.4</td><td>11.8</td><td>14.4</td><td>13.0</td><td>0.80</td></tr><tr><th><b>Tooth count</b></th></tr><tr><th>Premaxilla</th><td>15</td><td>22</td><td>18.3</td><td>1.69</td><td>14</td><td>12</td><td>18</td><td>15.5</td><td>1.71</td><td>20</td><td>16</td><td>22</td><td>19.9</td><td>1.83</td></tr><tr><th>Dentary</th><td>14</td><td>21</td><td>16.8</td><td>1.81</td><td>13</td><td>11</td><td>16</td><td>13.3</td><td>1.25</td><td>17</td><td>15</td><td>19</td><td>16.9</td><td>1.27</td></tr></tbody></table>

TABLE 7 in A new genus of armored catfish (Siluriformes: Loricariidae) from the Greater Amazon, with a review of the species and description of five new species

<p><b>TABLE 7 |</b> Descriptive morphometrics of <i>Rhinotocinclus</i> species. Values given as percent of standard length or head length. Range includes the holotype (Hol), SD = standard deviation.</p><table><tbody><tr><th></th><th><i>R. bockmanni</i> n = 8</th><th></th><th><i>R. dani</i> n = 14</th><th></th><th></th><th><i>R. hera</i> n = 10</th><th></th></tr></tbody><tbody><tr><th>Character</th><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><th></th><td>Low</td><td>High</td><td>Mean</td><td>SD</td><td>Hol</td><td>Low</td><td>High</td><td>Mean</td><td>SD</td><td>Hol</td><td>Low</td><td>High</td><td>Mean</td><td>SD</td></tr><tr><th>Standard length (mm)</th><td>18.3</td><td>23.0</td><td>19.8</td><td></td><td>27.4</td><td>20.4</td><td>27.4</td><td>24.1</td><td></td><td>25.2</td><td>19.4</td><td>26.1</td><td>22.6</td><td></td></tr><tr><th><b>Percent of SL</b></th></tr><tr><th>Body depth</th><td>17.2</td><td>22.2</td><td>20.0</td><td>1.89</td><td>17.3</td><td>16.3</td><td>18.3</td><td>17.1</td><td>0.58</td><td>15.8</td><td>14.6</td><td>17.5</td><td>16.0</td><td>0.93</td></tr><tr><th>Predosal distance</th><td>47.5</td><td>51.2</td><td>49.3</td><td>1.21</td><td>48.6</td><td>47.5</td><td>49.8</td><td>48.4</td><td>0.77</td><td>49.0</td><td>47.2</td><td>50.5</td><td>48.6</td><td>0.92</td></tr><tr><th>Prepelvic distance</th><td>44.4</td><td>47.3</td><td>45.9</td><td>1.08</td><td>45.3</td><td>43.7</td><td>45.7</td><td>44.8</td><td>0.56</td><td>44.4</td><td>43.3</td><td>47.4</td><td>44.7</td><td>1.53</td></tr><tr><th>Preanal distance</th><td>64.7</td><td>67.6</td><td>66.0</td><td>0.92</td><td>65.1</td><td>63.8</td><td>66.1</td><td>65.1</td><td>0.69</td><td>64.8</td><td>63.4</td><td>67.0</td><td>64.4</td><td>1.13</td></tr><tr><th>Preadipose distance</th><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td></tr><tr><th>Dorsal-fin spine length</th><td>24.2</td><td>28.3</td><td>26.1</td><td>1.56</td><td>24.0</td><td>24.0</td><td>27.0</td><td>25.3</td><td>0.90</td><td>25.1</td><td>21.5</td><td>25.1</td><td>23.7</td><td>1.13</td></tr><tr><th>Anal-fin unbranched ray length</th><td>18.2</td><td>21.3</td><td>19.0</td><td>1.09</td><td>15.5</td><td>15.5</td><td>19.3</td><td>16.6</td><td>1.07</td><td>18.3</td><td>14.4</td><td>18.3</td><td>16.7</td><td>1.30</td></tr><tr><th>Adipose-fin spine length</th><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td></tr><tr><th>Pectoral-fin spine length</th><td>29.3</td><td>31.6</td><td>30.3</td><td>0.74</td><td>29.8</td><td>29.2</td><td>31.8</td><td>30.4</td><td>0.82</td><td>29.8</td><td>27.6</td><td>29.9</td><td>28.9</td><td>0.88</td></tr><tr><th>Caudal peduncle depth</th><td>10.6</td><td>11.6</td><td>11.1</td><td>0.37</td><td>8.8</td><td>8.8</td><td>9.9</td><td>9.3</td><td>0.28</td><td>8.3</td><td>7.8</td><td>9.3</td><td>8.6</td><td>0.50</td></tr><tr><th>Dorsal-adipose fin distance</th><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td></tr><tr><th>Dorsal-fin base length</th><td>11.8</td><td>14.3</td><td>13.1</td><td>0.75</td><td>11.3</td><td>9.8</td><td>12.7</td><td>11.5</td><td>0.87</td><td>9.3</td><td>9.3</td><td>12.3</td><td>10.3</td><td>1.08</td></tr><tr><th>Lower caudal-fin principal ray</th><td>28.4</td><td>34.1</td><td>31.0</td><td>1.96</td><td>-</td><td>24.3</td><td>27.9</td><td>26.4</td><td>1.12</td><td>25.3</td><td>24.3</td><td>29.7</td><td>26.7</td><td>1.93</td></tr><tr><th>Cleithral width</th><td>24.2</td><td>26.7</td><td>25.4</td><td>0.91</td><td>23.6</td><td>23.6</td><td>26.5</td><td>25.3</td><td>0.91</td><td>24.5</td><td>23.6</td><td>26.0</td><td>24.6</td><td>0.72</td></tr><tr><th>Head length</th><td>38.4</td><td>41.6</td><td>39.9</td><td>0.98</td><td>38.3</td><td>36.3</td><td>40.0</td><td>38.2</td><td>1.1</td><td>37.6</td><td>35.1</td><td>41.2</td><td>38.5</td><td>1.95</td></tr><tr><th><b>Percent of HL</b></th></tr><tr><th>Head depth</th><td>41.3</td><td>45.4</td><td>43.0</td><td>1.57</td><td>42.9</td><td>39.9</td><td>43.5</td><td>42.4</td><td>0.9</td><td>42.8</td><td>39.9</td><td>45.5</td><td>42.2</td><td>1.97</td></tr><tr><th>Interorbital distance</th><td>32.7</td><td>36.1</td><td>34.4</td><td>1.23</td><td>39.2</td><td>36.2</td><td>41.9</td><td>38.7</td><td>1.6</td><td>36.4</td><td>33.7</td><td>37.7</td><td>35.4</td><td>1.37</td></tr><tr><th>Orbital horizontal diameter</th><td>16.2</td><td>18.6</td><td>17.5</td><td>0.86</td><td>14.6</td><td>13.6</td><td>16.7</td><td>15.3</td><td>0.8</td><td>16.6</td><td>15.1</td><td>17.3</td><td>16.5</td><td>0.68</td></tr><tr><th>Snout length</th><td>49.0</td><td>52.2</td><td>50.3</td><td>1.07</td><td>53.1</td><td>50.8</td><td>55.6</td><td>52.7</td><td>1.2</td><td>52.8</td><td>51.9</td><td>55.6</td><td>53.5</td><td>1.40</td></tr><tr><th>Internarial distance</th><td>6.6</td><td>10.7</td><td>8.6</td><td>1.26</td><td>11.0</td><td>9.6</td><td>12.0</td><td>11.0</td><td>0.7</td><td>9.8</td><td>7.2</td><td>11.2</td><td>9.9</td><td>1.22</td></tr><tr><th><b>Tooth count</b></th></tr><tr><th>Premaxilla</th><td>11</td><td>14</td><td>12.5</td><td>0.93</td><td>26</td><td>19</td><td>28</td><td>21.9</td><td>2.7</td><td>20</td><td>16</td><td>22</td><td>18.7</td><td>2.26</td></tr><tr><th>Dentary</th><td>9</td><td>12</td><td>11.0</td><td>1.07</td><td>22</td><td>16</td><td>22</td><td>19.4</td><td>1.7</td><td>21</td><td>15</td><td>21</td><td>17.4</td><td>2.01</td></tr></tbody></table>

TABLE 9 in A new genus of armored catfish (Siluriformes: Loricariidae) from the Greater Amazon, with a review of the species and description of five new species

<p><b>TABLE 9 |</b> Descriptive morphometrics of <i>Rhinotocinclus</i> species. Values given as percent of standard length or head length. Range includes the holotype (Hol), SD = standard deviation.</p><table><tbody><tr><th></th><th><i>R. chromodontus</i> n = 11</th><th></th><th><i>R. acuen</i> n = 11</th><th></th><th></th><th><i>R. jumaorum</i> n = 14</th><th></th><th><i>R. dinizae</i> n = 4</th></tr></tbody><tbody><tr><th>Character</th><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><th></th><td>Hol</td><td>Low</td><td>High</td><td>Mean</td><td>SD</td><td>Hol</td><td>Low</td><td>High</td><td>Mean</td><td>SD</td><td>Hol</td><td>Low</td><td>High</td><td>Mean</td><td>SD</td><td>Low</td><td>High</td><td>Mean</td><td>SD</td></tr><tr><th>Standard length (mm)</th><td>26.2</td><td>23.3</td><td>32.2</td><td>26.9</td><td></td><td>25.8</td><td>22.3</td><td>27.4</td><td>25.2</td><td></td><td>26.3</td><td>24.4</td><td>31.0</td><td>27.0</td><td></td><td>17.8</td><td>20.0</td><td>19.0</td><td></td></tr><tr><th><b>Percent of SL</b></th></tr><tr><th>Body depth</th><td>17.9</td><td>17.0</td><td>18.9</td><td>17.9</td><td>0.61</td><td>19.7</td><td>16.6</td><td>19.7</td><td>17.7</td><td>1.00</td><td>15.2</td><td>14.7</td><td>17.9</td><td>16.1</td><td>0.96</td><td>15.8</td><td>16.8</td><td>16.4</td><td>0.47</td></tr><tr><th>Predosal distance</th><td>47.3</td><td>47.0</td><td>51.4</td><td>48.6</td><td>1.32</td><td>50.1</td><td>47.5</td><td>50.1</td><td>48.8</td><td>0.78</td><td>48.1</td><td>47.8</td><td>50.9</td><td>49.1</td><td>1.11</td><td>46.9</td><td>49.5</td><td>48.5</td><td>1.13</td></tr><tr><th>Prepelvic distance</th><td>41.6</td><td>40.9</td><td>45.3</td><td>43.2</td><td>1.59</td><td>44.1</td><td>42.9</td><td>46.5</td><td>44.1</td><td>1.08</td><td>44.3</td><td>42.0</td><td>45.2</td><td>43.9</td><td>0.82</td><td>44.9</td><td>46.6</td><td>45.7</td><td>0.82</td></tr><tr><th>Preanal distance</th><td>61.8</td><td>61.8</td><td>66.4</td><td>64.2</td><td>1.35</td><td>63.8</td><td>62.4</td><td>65.2</td><td>63.8</td><td>1.12</td><td>65.7</td><td>62.7</td><td>65.7</td><td>64.1</td><td>0.87</td><td>63.6</td><td>65.5</td><td>64.3</td><td>0.84</td></tr><tr><th>Preadipose distance</th><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td></tr><tr><th>Dorsal-fin spine length</th><td>22.1</td><td>18.5</td><td>23.2</td><td>20.8</td><td>1.60</td><td>20.0</td><td>20.0</td><td>22.8</td><td>21.3</td><td>0.94</td><td>21.7</td><td>20.4</td><td>23.9</td><td>21.8</td><td>0.87</td><td>22.8</td><td>25.5</td><td>24.1</td><td>1.28</td></tr><tr><th>Anal-fin unbranched ray length</th><td>16.0</td><td>13.5</td><td>17.0</td><td>15.1</td><td>0.97</td><td>15.4</td><td>15.0</td><td>17.4</td><td>16.3</td><td>0.83</td><td>16.5</td><td>15.3</td><td>18.2</td><td>16.8</td><td>0.67</td><td>18.5</td><td>19.5</td><td>19.0</td><td>0.44</td></tr><tr><th>Adipose-fin spine length</th><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td></tr><tr><th>Pectoral-fin spine length</th><td>26.8</td><td>26.7</td><td>29.5</td><td>27.8</td><td>0.88</td><td>24.9</td><td>23.1</td><td>26.9</td><td>24.7</td><td>0.98</td><td>25.1</td><td>23.3</td><td>26.7</td><td>24.8</td><td>1.01</td><td>28.1</td><td>30.0</td><td>29.1</td><td>0.83</td></tr><tr><th>Caudal peduncle depth</th><td>9.5</td><td>8.9</td><td>9.8</td><td>9.4</td><td>0.27</td><td>9.7</td><td>8.5</td><td>10.5</td><td>9.5</td><td>0.54</td><td>8.6</td><td>8.4</td><td>9.5</td><td>8.9</td><td>0.34</td><td>8.9</td><td>9.5</td><td>9.1</td><td>0.27</td></tr><tr><th>Dorsal-adipose fin distance</th><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td><td>-</td></tr><tr><th>Dorsal-fin base length</th><td>-</td><td>10.6</td><td>14.2</td><td>12.4</td><td>1.03</td><td>-</td><td>11.6</td><td>13.5</td><td>12.6</td><td>0.59</td><td>10.8</td><td>9.6</td><td>11.1</td><td>10.4</td><td>0.39</td><td>11.0</td><td>12.8</td><td>12.0</td><td>0.88</td></tr><tr><th>Lower caudal-fin principal ray</th><td>27.2</td><td>23.2</td><td>28.4</td><td>25.1</td><td>1.85</td><td>-</td><td>22.7</td><td>27.3</td><td>25.7</td><td>1.34</td><td>-</td><td>22.8</td><td>28.4</td><td>25.4</td><td>1.93</td><td>27.1</td><td>29.7</td><td>28.1</td><td>1.14</td></tr><tr><th>Cleithral width</th><td>25.2</td><td>24.9</td><td>27.9</td><td>26.5</td><td>1.03</td><td>24.1</td><td>21.7</td><td>24.1</td><td>22.9</td><td>0.71</td><td>24.4</td><td>22.4</td><td>24.9</td><td>23.8</td><td>0.75</td><td>22.5</td><td>23.8</td><td>23.0</td><td>0.56</td></tr><tr><th>Head length</th><td>36.3</td><td>36.2</td><td>38.5</td><td>37.1</td><td>0.74</td><td>40.0</td><td>37.0</td><td>40.0</td><td>38.6</td><td>0.89</td><td>36.8</td><td>36.4</td><td>39.7</td><td>37.8</td><td>1.18</td><td>40.0</td><td>41.8</td><td>41.0</td><td>0.75</td></tr><tr><th><b>Percent of HL</b></th></tr><tr><th>Head depth</th><td>45.4</td><td>40.8</td><td>50.1</td><td>46.8</td><td>2.88</td><td>45.1</td><td>41.2</td><td>45.1</td><td>42.8</td><td>1.27</td><td>41.3</td><td>38.5</td><td>43.6</td><td>41.2</td><td>1.70</td><td>37.8</td><td>42.4</td><td>39.7</td><td>2.11</td></tr><tr><th>Interorbital distance</th><td>37.1</td><td>33.9</td><td>37.4</td><td>36.1</td><td>1.05</td><td>35.2</td><td>34.9</td><td>38.7</td><td>36.0</td><td>1.09</td><td>35.6</td><td>32.1</td><td>37.9</td><td>35.1</td><td>1.98</td><td>33.8</td><td>36.2</td><td>35.0</td><td>1.08</td></tr><tr><th>Orbital horizontal diameter</th><td>13.1</td><td>11.5</td><td>13.7</td><td>12.8</td><td>0.63</td><td>14.0</td><td>13.0</td><td>15.5</td><td>13.9</td><td>0.73</td><td>14.0</td><td>12.8</td><td>15.0</td><td>13.9</td><td>0.67</td><td>12.9</td><td>14.8</td><td>13.8</td><td>0.78</td></tr><tr><th>Snout length</th><td>55.4</td><td>53.4</td><td>57.4</td><td>55.2</td><td>1.23</td><td>53.0</td><td>53.0</td><td>56.1</td><td>55.0</td><td>1.16</td><td>57.7</td><td>55.5</td><td>59.8</td><td>57.4</td><td>1.12</td><td>52.9</td><td>54.3</td><td>53.7</td><td>0.62</td></tr><tr><th>Internarial distance</th><td>8.8</td><td>6.2</td><td>13.1</td><td>8.8</td><td>2.19</td><td>9.8</td><td>8.2</td><td>9.9</td><td>9.2</td><td>0.54</td><td>11.6</td><td>9.9</td><td>13.7</td><td>11.5</td><td>0.96</td><td>7.3</td><td>11.3</td><td>10.1</td><td>1.88</td></tr><tr><th><b>Tooth count</b></th></tr><tr><th>Premaxilla</th><td>29</td><td>26.0</td><td>40.0</td><td>31.6</td><td>5.01</td><td>22</td><td>17</td><td>22</td><td>20.1</td><td>1.70</td><td>28</td><td>20.0</td><td>33.0</td><td>27.4</td><td>3.67</td><td>16.0</td><td>17.0</td><td>16.3</td><td>0.50</td></tr><tr><th>Dentary</th><td>25</td><td>21.0</td><td>34.0</td><td>26.8</td><td>3.74</td><td>18</td><td>14</td><td>19</td><td>16.5</td><td>1.75</td><td>25</td><td>18.0</td><td>28.0</td><td>23.3</td><td>3.02</td><td>12.0</td><td>14.0</td><td>13.3</td><td>0.96</td></tr></tbody></table>

Image 7 in Catfish (Teleostei: Siluriformes) diversity in Karala River of Jalpaiguri District, West Bengal, India

Image 7. Mystus bleekeri (Day)

Image 6 in Catfish (Teleostei: Siluriformes) diversity in Karala River of Jalpaiguri District, West Bengal, India

Image 6. Wallago attu (Bloch & Schneider)

Image 1 in Catfish (Teleostei: Siluriformes) diversity in Karala River of Jalpaiguri District, West Bengal, India

Image 1. Amblyceps mangois (Hamilton)

Figure 1 in Catfish (Teleostei: Siluriformes) diversity in Karala River of Jalpaiguri District, West Bengal, India

Figure 1. Origin and distribution of Karala River with three different study sites

Figure 22 in Two new, remarkably colored species of the Neotropical catfish genus Cetopsorhamdia Eigenmann & Fisher, 1916 (Siluriformes, Heptapteridae) from Chapada dos Parecis, western Brazil, with an

Figure 22. Left suspensorium and opercular series of Cetopsorhamdia spilopleura, MZUSP 121503, 47.9 mm SL, holotype (CT reconstructions). (A) lateral view; (B) medial view. Cartilage not represented. Arrow points to the anterior process of the hyomandibula. Scale bars = 1 mm.

Figure 21 in Two new, remarkably colored species of the Neotropical catfish genus Cetopsorhamdia Eigenmann & Fisher, 1916 (Siluriformes, Heptapteridae) from Chapada dos Parecis, western Brazil, with an

Figure 21. Left suspensorium and opercular series of Cetopsorhamdia clathrata, MCP 36064, 50.8 mm SL, holotype (CT reconstructions). (A) lateral view; (B) medial view. Cartilage not represented. Arrow points to the anterior process of the hyomandibula. Scale bars = 1 mm.

Figure 20 in Two new, remarkably colored species of the Neotropical catfish genus Cetopsorhamdia Eigenmann & Fisher, 1916 (Siluriformes, Heptapteridae) from Chapada dos Parecis, western Brazil, with an

Figure 20. Unnamed stream affluent of Rio Doze de Outubro, Rio Tapajós basin, about 25 km from Vilhena, on highway BR-174, at Chapada dos Parecis (12°57′50″S, 60°01′40″W), Comodoro, Mato Grosso State, Brazil, type locality of Cetopsorhamdia spilopleura. Photograph by W.M. Ohara.

Figure 23 in Two new, remarkably colored species of the Neotropical catfish genus Cetopsorhamdia Eigenmann & Fisher, 1916 (Siluriformes, Heptapteridae) from Chapada dos Parecis, western Brazil, with an

Figure 23. Left pectoral fin of: (A) Cetopsorhamdia iheringi, LIRP 2805, 53.9 mm SL (radiograph); (B) Cetopsorhamdia insidiosa, NMW 46095:1 (syntype of Imparfinis insidiosus), 76.8 mm SL (radiograph). Dorsal view. Scale bars = 3 mm.

Figure 18 in Two new, remarkably colored species of the Neotropical catfish genus Cetopsorhamdia Eigenmann & Fisher, 1916 (Siluriformes, Heptapteridae) from Chapada dos Parecis, western Brazil, with an

Figure 18. Branchial arches of Cetopsorhamdia spilopleura, MZUSP 121503, 47.9 mm SL, holotype (CT reconstruction). Dorsal view. Dorsal elements of left arches not shown. Cartilage not represented. Scale bar = 2 mm.

Figure 19 in Two new, remarkably colored species of the Neotropical catfish genus Cetopsorhamdia Eigenmann & Fisher, 1916 (Siluriformes, Heptapteridae) from Chapada dos Parecis, western Brazil, with an

Figure 19. Left pectoral fin of Cetopsorhamdia spilopleura, MZUSP 118307, 58.9 mm SL, paratype (radiograph). Dorsal view. Scale bar = 3 mm.

Figure 15 in Two new, remarkably colored species of the Neotropical catfish genus Cetopsorhamdia Eigenmann & Fisher, 1916 (Siluriformes, Heptapteridae) from Chapada dos Parecis, western Brazil, with an

Figure 15. Anterior portion of the body of Cetopsorhamdia spilopleura, MCP 41057, 30.5 mm SL, paratype, showing laterosensory canal system. (A) letf lateral view; (B) dorsal view; (C) ventral view. Scale bar = 3 mm.

Figure 17 in Two new, remarkably colored species of the Neotropical catfish genus Cetopsorhamdia Eigenmann & Fisher, 1916 (Siluriformes, Heptapteridae) from Chapada dos Parecis, western Brazil, with an

Figure 17. Hyoid arches of Cetopsorhamdia spilopleura, MZUSP 121503, 47.9 mm SL, holotype (CT reconstruction). Ventral view. Cartilage not represented. Scale bar = 2 mm.

Figure 16 in Two new, remarkably colored species of the Neotropical catfish genus Cetopsorhamdia Eigenmann & Fisher, 1916 (Siluriformes, Heptapteridae) from Chapada dos Parecis, western Brazil, with an

Figure 16. Neuroranium and associated structures of Cetopsorhamdia spilopleura, MZUSP 121503, 47.9 mm SL, holotype (CT reconstructions). (A) letf lateral view; (B) dorsal view; (C) ventral view. Cartilage not represented. Scale bars = 2 mm.

Figure 14 in Two new, remarkably colored species of the Neotropical catfish genus Cetopsorhamdia Eigenmann & Fisher, 1916 (Siluriformes, Heptapteridae) from Chapada dos Parecis, western Brazil, with an

Figure 14. Cetopsorhamdia spilopleura, juvenile, MCP 41057, 30.5 mm SL, paratype; Brazil, Mato Grosso State, Comodoro: Rio Doze de Outubro, Rio Tapajós basin.

Figure 13. Cetopsorhamdia spilopleura, MZUSP 121503, 47.9 in Two new, remarkably colored species of the Neotropical catfish genus Cetopsorhamdia Eigenmann & Fisher, 1916 (Siluriformes, Heptapteridae) from Chapada dos Parecis, western Brazil, with an

Figure 13. Cetopsorhamdia spilopleura, MZUSP 121503, 47.9 mm SL, holotype (right after collection); Brazil, Mato Grosso State, Comodoro: unnamed stream affluent of Rio Doze de Outubro, Rio Tapajós basin. Image was flipped for comparative purposes. Photograph by W.M. Ohara.