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1,103 results for “Actinopterygii”
Data from: Taxic and morphological diversification during the early radiation of Clupeomorpha (Actinopterygii, Teleostei)
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Figure 1 in Alburnoides qanati, a new species of cyprinid fish from southern Iran (Actinopterygii, Cyprinidae)
Figure 1. Alburnoides qanati sp. n., female holotype, 65.0 mm SL.
Appendix 1 in Revision of Saurorhynchus (Actinopterygii: Saurichthyidae) from the Early Jurassic of England and Germany
Appendix 1. Select cranial measurements for Early Jurassic species of Saurorhynchus Reis, 1892.
Fig. 3 in First Record of the Grenadier Coelorinchus sheni (Actinopterygii: Gadiformes: Macrouridae) from Japan
Fig. 3. Distribution of Coelorinchus sheni. Star indicates type locality.
Fig. 3 in Age And Growth Of The European Bitterling, Rhodeus Amarus (Cyprinidae, Actinopterygii), In The Uday And Perevod Rivers (Dnipro Basin, Ukraine)
Fig. 3. Length weight ratio of bitterling in samples from the rivers Uday and Perevod in 2016–2019.
Fig. 3. X in First Record of Bathyphylax omen Tyler, 1966 from the Western Pacific (Actinopterygii, Tetraodontiformes, Triacanthodidae)
Fig. 3. X-ray photograph of Bathyphylax omen, BSKU 127482, 51.4 mm SL.
Fig. 2. X in A Record of the Rare Filefish, Thamnaconus garretti (Fowler, 1928), Collected around Midway Island, Central Pacific (Actinopterygii, Tetraodontiformes, Monacanthidae)
Fig. 2. X-ray photographs of Thamnaconus garretti. Top, FAKU 109580; bottom, FAKU 125876.
Fig. 1 in Oocyte development and ovarian maturation of the black triggerfish, Melichthys niger (Actinopterygii: Balistidae) in São Pedro e São Paulo Archipelago, Brazil
Fig. 1. Geographical location and map of the São Pedro e São Paulo Archipelago.
Fig. 2 in Reproductive studies of Anchoa marinii Hildebrand, 1943 (Actinopterygii: Engraulidae) in the nearby-coastal area of Mar Chiquita coastal lagoon, Buenos Aires, Argentina
Fig. 2. Monthly relative frequency (%) of gonad phases for females of Anchoa marinii.
Fig. 5 in Reproductive studies of Anchoa marinii Hildebrand, 1943 (Actinopterygii: Engraulidae) in the nearby-coastal area of Mar Chiquita coastal lagoon, Buenos Aires, Argentina
Fig. 5. Oocyte diameter distribution in spawning capable phase of Anchoa marinii. N= 183.
Figure 1 in Ecomorphological patterns and shape indices of otoliths in the Pagellus acarne (Actinopterygii, Sparidae) from the Aegean and Marmara Seas
Figure 1. Sampling sites of Pagellus acarne in the Aegean and Marmara Seas.
Florida Coastal Biota: Actinopterygii
Details from [DATA-1685](<p></p>https://eol-jira.bibalex.org/browse/DATA-1685)<p></p>Actinopterygii: Traits: age at first birth, age at first reproduction, age at maturity, animal population density, basal metabolic rate, body length (CMO), body length (VT), body mass, body temperature, breeding habitat, breeding season, clutch/brood/litter size, conservation status, development mode, dispersal age, feeding method, feeding mode, foraging habitat, foraging time, geographic distribution, geographic distribution inc…, geographic range (size of a.., geographical zone, growth rate, habitat, habitat breadth, habitat includes, head-body length, home range, human population density, human population density ch…, introduced range includes, latitude, life span, locomotion, log 10 productivity, longitude, male female body mass ratio, mating system, metabolic rate, native range includes, onset of fertility, parental care, population trend, primary diet, range midpoint latitude, rate of development, reproductive skew, sexual dimorphism, sexual system, social group size, temperature at midpoint…, temperature in geographic r…, territorial, testis location, testis mass, total life span, trophic guild, trophic level, water depth, water dissolved O2 concentration, water nitrate concentration, water O2 saturation, water phosphate concentration, water salinity, water silicate concentration, water temperature, weight.
FIGURE 1 in Diversity of Loricariidae (Actinopterygii: Siluriformes) assemblages in two Conservation Areas of the Middle Xingu River, Brazilian Amazon, and their suitability for sustainable ornamental fisheries
FIGURE 1 | Map of the collection areas in the Xingu and Iriri River Extractive Reserves.
Fig. 2 in Allopatric chromosomal variation in Nematocharax venustus Weitzman, Menezes & Britski, 1986 (Actinopterygii: Characiformes) based on mapping of repetitive sequences
Fig. 2. Representative karyotype of Nematocharax venustus. Bar = 5 µm.
Fig. 1 in Reproduction of Brevoortia aurea (Spix & Agassiz, 1829) (Actinopterygii: Clupeidae) in the Mar Chiquita Coastal Lagoon, Buenos Aires, Argentina
Fig. 1. Study area showing the sample station.
Figure 33. Indeterminate Actinopterygii fragments. Hypotype, UCMP 218647 in Miocene marine macropaleontology of the fourth bore Caldecott Tunnel excavation, Berkeley Hills, Oakland, California, USA
Figure 33. Indeterminate Actinopterygii fragments. Hypotype, UCMP 218647.
Table 1 in A new possible breeding site of Alosa fallax (Lacépède 1803) (Actinopterygii: Clupeiformes: Alosidae) on the Tyrrhenian coast of Central Italy
<p>Table 1 - Averaged values of biometric measurements of <i>Alosa fallax</i> individuals caught in the Mignone river. Legenda: X = arithmetic means; SD = standard deviation; Min = minimum and Max = maximum values; TL= total length; SL = standard length; HH, HL= head height and length; ED = eye diameter; POD = the distance between mouth and eye or periorbital distance; PDDF = predorsal distance of dorsal fin; PDAF = predorsal distance of adipose fin; BHa, BHb = maximum and minimum body heights; BAF = distance between dorsal and caudal fins; HDF, DFL = dorsal fin height and length; HPF, PFL = pectoral fin height and length; HVF, VFL = ventral fin height and length; HAF, AFL = anal fin height and length (HAF, AFL). All length measures are in mm. W = Weight, in grams. / Valori medi delle misure biometriche di individui di <i>Alosa fallax</i> catturati nel fiume Mignone. Legenda: X = medie aritmetiche; SD = deviazione standard; Min = valori minimi e Max = valori massimi; TL= lunghezza totale; SL = lunghezza standard; HH, HL= altezza e lunghezza della testa; ED = diametro dell’occhio; POD = distanza tra bocca e occhio o distanza periorbitale; PDDF = distanza predorsale della pinna dorsale; PDAF = distanza predorsale della pinna adiposa; BHa, BHb = altezza massima e minima del corpo; BAF = distanza tra pinna dorsale e caudale; HDF, DFL = altezza e lunghezza della pinna dorsale; HPF, PFL = altezza e lunghezza della pinna pettorale; HVF, VFL = altezza e lunghezza della pinna ventrale; HAF, AFL = altezza e lunghezza della pinna anale (HAF, AFL). Tutte le misure di lunghezza sono espresse in mm. W = peso, in grammi.</p><table><tbody><tr><th>Morphometric character</th><th>Males (N=11)</th><th>Females (N=7)</th></tr><tr><th></th><th>X</th><th>Min</th><th>Max</th><th>SD</th><th>X</th><th>Min</th><th>Max</th><th>SD</th></tr></tbody><tbody><tr><th><b>TL</b></th><td>462.00</td><td>402</td><td>515</td><td>34.25</td><td>505.14</td><td>469</td><td>531</td><td>19.33</td></tr><tr><th><b>SL</b></th><td>408.45</td><td>352</td><td>449</td><td>31.15</td><td>444.71</td><td>410</td><td>476</td><td>22.68</td></tr><tr><th><b>HH</b></th><td>81.90</td><td>62.8</td><td>94.6</td><td>11.06</td><td>92.16</td><td>77.8</td><td>99</td><td>6.77</td></tr><tr><th><b>HL</b></th><td>88.42</td><td>76.1</td><td>99</td><td>7.31</td><td>91.20</td><td>79.6</td><td>103</td><td>8.42</td></tr><tr><th><b>POD</b></th><td>18.46</td><td>15.5</td><td>21.8</td><td>1.94</td><td>0.23</td><td>17.7</td><td>24.1</td><td>2.49</td></tr><tr><th><b>ED</b></th><td>14.27</td><td>11.4</td><td>16.6</td><td>1.66</td><td>14.59</td><td>12</td><td>16.2</td><td>1.50</td></tr><tr><th><b>PDDF</b></th><td>177.55</td><td>151</td><td>201</td><td>17.03</td><td>183.00</td><td>162</td><td>200</td><td>13.71</td></tr><tr><th><b>PDAF</b></th><td>236.82</td><td>204</td><td>262</td><td>19.75</td><td>252.29</td><td>215</td><td>273</td><td>20.31</td></tr><tr><th><b>BAF</b></th><td>134.00</td><td>119</td><td>152</td><td>11.33</td><td>152.57</td><td>122</td><td>163</td><td>14.37</td></tr><tr><th><b>BHa</b></th><td>93.81</td><td>74.9</td><td>106</td><td>10.84</td><td>108.00</td><td>94</td><td>114</td><td>7.09</td></tr><tr><th><b>BHb</b></th><td>66.85</td><td>59.1</td><td>74.3</td><td>5.59</td><td>78.37</td><td>57.3</td><td>91.4</td><td>10.63</td></tr><tr><th><b>HDF</b></th><td>49.25</td><td>40.2</td><td>55.6</td><td>5.11</td><td>54.21</td><td>30</td><td>68.4</td><td>16.44</td></tr><tr><th><b>DFL</b></th><td>59.72</td><td>49.2</td><td>66.6</td><td>6.13</td><td>71.64</td><td>65</td><td>76.3</td><td>5.18</td></tr><tr><th><b>HPF</b></th><td>55.11</td><td>48.7</td><td>64.4</td><td>4.67</td><td>54.73</td><td>45</td><td>67.5</td><td>8.24</td></tr><tr><th><b>PFL</b></th><td>31.38</td><td>24.7</td><td>39.5</td><td>4.56</td><td>30.37</td><td>20.8</td><td>45.2</td><td>9.45</td></tr><tr><th><b>HVF</b></th><td>31.73</td><td>22.8</td><td>40.1</td><td>5.29</td><td>41.70</td><td>32</td><td>52.6</td><td>6.77</td></tr><tr><th><b>VFL</b></th><td>30.02</td><td>26.6</td><td>33.5</td><td>2.52</td><td>27.66</td><td>20</td><td>36.7</td><td>5.89</td></tr><tr><th><b>HAF</b></th><td>26.10</td><td>16.8</td><td>33</td><td>5.00</td><td>27.01</td><td>23</td><td>30.2</td><td>2.44</td></tr><tr><th><b>AFL</b></th><td>67.25</td><td>53.2</td><td>77.2</td><td>8.29</td><td>69.87</td><td>56</td><td>83.4</td><td>11.55</td></tr><tr><th><b>W</b></th><td>569.64</td><td>491</td><td>693</td><td>62.33</td><td>896.57</td><td>801</td><td>1024</td><td>79.42</td></tr></tbody></table>
Supplementary Information for Phylogenetic analyses of ray-finned fishes (Actinopterygii) using collagen type I protein sequences
<p>Ray-finned fishes (Actinopterygii) are the largest and most diverse group of vertebrates, comprising over half of all living vertebrate species. Phylogenetic relationships between ray-finned fishes have historically pivoted on the study of morphology, which has notoriously failed to resolve higher-order relationships, such as within the percomorphs. More recently, comprehensive genomic analyses have provided further resolution of actinopterygian phylogeny, including higher-order relationships. Such analyses are rightfully regarded as the 'gold standard' for phylogenetics. However, DNA retrieval requires modern or well-preserved tissue and is less likely to be preserved in archaeological or fossil specimens. In contrast some proteins, such as collagen, are phylogenetically informative and can survive into deep time. Here, we test the utility of collagen type I amino acid sequences for phylogenetic estimation of ray-finned fishes. We estimate topology using Bayesian approaches and compare the congruence of our estimated trees with published genomic phylogenies. Furthermore, we apply a Bayesian molecular clock approach and compare estimated divergence dates with previously published genomic clock analyses. Our collagen-derived trees exhibit 77% of node positions as congruent with recent genomic-derived trees, with the majority of discrepancies occurring in higher-order node positions, almost exclusively within the Percomorpha. Our molecular clock trees present divergence times that are fairly comparable with genomic-based phylogenetic analyses. We estimate the mean node age of Actinopteri at ~293 million years (Ma), the base of Teleostei at ~211 Ma and the radiation of percomorphs beginning at ~141 Ma (~350 Ma, ~250–283 Ma and ~120–133 Ma in genomic trees, respectively). Finally, we show that the average rate of collagen (I) sequence evolution is 0.9 amino acid substitutions for every million years of divergence, with the α3 (I) sequence evolving the fastest, followed by the α2 (I) chain. This is the quickest rate known for any vertebrate group. We demonstrate that phylogenetic analyses using collagen type I amino acid sequences generate tangible signals for actinopterygians that are highly congruent with recent genomic-level studies. However, there is limited congruence within percomorphs, perhaps due to clade-specific functional constraints acting upon collagen sequences. Our results provide important insights for future phylogenetic analyses incorporating extinct actinopterygian species via collagen (I) sequencing.</p>
Parallel and non-parallel divergence within polymorphic populations of brook stickleback, Culaea inconstans (Actinopterygii: Gasterosteidae)
<p><span><span><span><span><span><span><span><span><span><span><span>Studying parallel evolution allows us to draw conclusions about the repeatability of adaptive evolution. Whereas populations likely experience similar selective pressures in similar environments, it is not clear if this will always result in parallel divergence of ecologically relevant traits. Our study investigates the extent of parallelism associated with the evolution of pelvic spine reduction in brook stickleback populations. We find that populations with parallel divergence in pelvic spine morphology do not exhibit parallel divergence in head and body morphology but do exhibit parallel divergence in diet. In addition, we compare these patterns associated with pelvic reduction in brook stickleback to well-studied patterns of divergence between spined and unspined threespine stickleback. Whereas spine reduction is associated with littoral habitats and a benthic diet in threespine stickleback, spine reduction in brook stickleback is associated with a planktonic diet. Hence, we find that pelvic spine divergence is associated with largely non-parallel ecological consequences across species.</span></span></span></span></span></span></span></span></span></span></span></p>
FIG. 1 in A new Crossognathus (Actinopterygii, Teleostei) from the Lower Cretaceous of Romania with comments on Crossognathidae relationships
FIG. 1. — Location map of Romania showing the position of the type locality (★).
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