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679 results for “Crayfishes”
Figure 14 from: Lukhaup C, Eprilurahman R, von Rintelen T (2018) Two new species of crayfish of the genus Cherax from Indonesian New Guinea (Crustacea, Decapoda, Parastacidae). ZooKeys 769: 89-116. https://doi.org/10.3897/zookeys.769.26095
Figure 14 C. alyciae sp. n. holotype male (MZB Cru 4672) A left first chela, dorsal aspect B left first chela, ventral aspect. Scale bars: 10 mm.
Figure 13 from: Lukhaup C, Eprilurahman R, von Rintelen T (2018) Two new species of crayfish of the genus Cherax from Indonesian New Guinea (Crustacea, Decapoda, Parastacidae). ZooKeys 769: 89-116. https://doi.org/10.3897/zookeys.769.26095
Figure 13 C. alyciae sp. n. holotype male (MZB Cru 4672), dorsal view of cephalothorax. Scale bar: 10 mm.
Figure 10 from: Lukhaup C, Eprilurahman R, von Rintelen T (2018) Two new species of crayfish of the genus Cherax from Indonesian New Guinea (Crustacea, Decapoda, Parastacidae). ZooKeys 769: 89-116. https://doi.org/10.3897/zookeys.769.26095
Figure 10 C. alyciae sp. n. A holotype male (MZB Cru 4672) from nameless creek, Boven Digoel Regency B idem, colour variation.
Figure 1 from: Lukhaup C, Eprilurahman R, von Rintelen T (2018) Two new species of crayfish of the genus Cherax from Indonesian New Guinea (Crustacea, Decapoda, Parastacidae). ZooKeys 769: 89-116. https://doi.org/10.3897/zookeys.769.26095
Figure 1 Cherax mosessalossa sp. n. A holotype male (MZB Cru 4675) from Klademak Creek, Sorong City B idem, side view.
FIGURE 4 in Cambarus franklini, a new crayfish (Decapoda: Cambaridae) from the Catawba River Basin in western North Carolina, USA
FIGURE 4. Cambarus franklini morphotype in life (photo credit: Carl E. Williams).
FIGURE 3 in A new crayfish of the genus Cambarus Erichson, 1846 (Decapoda: Cambaridae) from an under-sampled habitat type in central Ten- nessee, USA
FIGURE 3. Cambarus clivosus, new species, Holotype.
FIGURE 4 in Cambarus fetzneri sp. nov., a new species of burrowing crayfish (Decapoda: Cambaridae) from the Allegheny Mountains of Virginia and West Virginia, USA
FIGURE 4. Cambarus fetzneri distribution.
FIGURE 3 in Cambarus fetzneri sp. nov., a new species of burrowing crayfish (Decapoda: Cambaridae) from the Allegheny Mountains of Virginia and West Virginia, USA
FIGURE 3. Cambarus fetzneri holotype in life.
FIGURE 1 in Lacunicambarus dalyae: a new species of burrowing crayfish (Decapoda Cambaridae) from the southeastern United States
FIGURE 1. Dorsal view of Form I holotypic male of Lacunicambarus dalyae sp. nov. (OSUMC 10855).
ABLE 3 in Lacunicambarus dalyae: a new species of burrowing crayfish (Decapoda Cambaridae) from the southeastern United States
ABLE 3. (Continued)
TABLE 2 in Cambarus (P.) theepiensis, a new species of crayfish (Decapoda: Cambaridae) from the coalfields region of Eastern Kentucky and Southwestern West Virginia, USA
<p><b>TABLE 2.</b> Pleopodal egg diameters and instar condition for <i>Cambarus theepiensis,</i> <b>n. sp.</b> ED denotes average egg diameter in mm; asterisk denotes incomplete complement of eggs or instars.</p><table><tbody><tr><th>Stream</th><th>Date</th><th>Female TCL</th><th>Condition of eggs/instars</th></tr></tbody><tbody><tr><th>Hood Cr, Lawrence Co. KY</th><td>29 Apr 2012</td><td>30.7</td><td>141 attached eggs; ED = 2.5</td></tr><tr><th>Hood Cr, Lawrence Co. KY</th><td>29 Apr 2012</td><td>38.5</td><td>157 attached eggs; ED = 2.6</td></tr><tr><th>Type locality</th><td>4 Jun 2012</td><td>42.3</td><td>210 attached eggs; ED = 2.8</td></tr><tr><th>Type locality</th><td>4 Jun 2012</td><td>39.1</td><td>174 attached eggs; ED = 2.7</td></tr><tr><th>Type locality</th><td>4 Jun 2012</td><td>41.1</td><td>209 attached eggs; ED = 2.5</td></tr><tr><th>Type locality</th><td>3 Jul 2012</td><td>41.3</td><td>43 attached eggs*; ED = 2.7</td></tr><tr><th>Type locality</th><td>3 Jul 2012</td><td>38.6</td><td>2nd stage instars</td></tr><tr><th>Type locality</th><td>3 Jul 2012</td><td>38.3</td><td>2nd stage instars</td></tr><tr><th>Type locality</th><td>3 Jul 2012</td><td>39.4</td><td>3rd stage instars</td></tr><tr><th>Type locality</th><td>3 Sep 2012</td><td>46.4</td><td>4th stage instars</td></tr><tr><th>Type locality</th><td>10 Oct 2012</td><td>49.1</td><td>4th stage instars</td></tr></tbody></table>
TABLE 1 in Cambarus (P.) theepiensis, a new species of crayfish (Decapoda: Cambaridae) from the coalfields region of Eastern Kentucky and Southwestern West Virginia, USA
<p><b>TABLE 1.</b> Measurements (mm) of <i>Cambarus theepiensis</i>, new species.</p><table><tbody><tr><th></th><th>Holotype</th><th>Allotype</th><th>Morphotype</th></tr></tbody><tbody><tr><th>Carapace Total carapace length Postorbital length</th><td>46.6 38.9</td><td>42.6 35.7</td><td>47.3 39.6</td></tr><tr><th>Length cephalic section Width Depth Length rostrum</th><td>29.1 25.0 19.0 9.8</td><td>26.4 23.2 17.6 7.6</td><td>29.0 25.6 19.9 8.0</td></tr><tr><th>Length acumen Length areola Width areola</th><td>3.3 16.5 3.0</td><td>3.0 15.4 4.3</td><td>7.7 22.7 4.0</td></tr><tr><th>Antennal scale Width</th><td>3.1</td><td>2.7</td><td>3.2</td></tr><tr><th>Abdomen Width</th><td>20.5</td><td>20.5</td><td>21.5</td></tr><tr><th>Cheliped Length mesial margin palm Width palm Depth palm Length dactyl Length carpus Width carpus</th><td>13.3 21.1 11.2 30.3 13.5 11.0</td><td>9.4 15.3 9.1 21.2 10.3 9.1</td><td>12.5 19.4 11.1 27.0 12.7 11.4</td></tr><tr><th>Length dorsal margin merus Depth merus</th><td>20.0 11.8</td><td>16.2 9.4</td><td>18.1 9.4</td></tr><tr><th>Gonopod length</th><td>9.5</td><td>N.A.</td><td>9.9</td></tr></tbody></table>
FIGURE 3 in Cambarus (P.) theepiensis, a new species of crayfish (Decapoda:Cambaridae) from the coalfields region of Eastern Kentucky and Southwestern West Virginia, USA
FIGURE 3. Known range of Cambarus theepiensis n. sp. in Kentucky and West Virginia. Virginia.
FIGURE 2. Cambarus theepiensis n in Cambarus (P.) theepiensis, a new species of crayfish (Decapoda:Cambaridae) from the coalfields region of Eastern Kentucky and Southwestern West Virginia, USA
FIGURE 2. Cambarus theepiensis n. sp., holotype (USNM 1197339) in life.
Distinguishing between unreliability and dishonesty: a comparative study of aggressive communication in crayfish
<ol> <li>A major challenge in the study of animal communication is distinguishing whether signals convey honest or dishonest information. <a name="_Hlk77062992">Biologists infer the honesty of a signal from its correlation with the information being signaled (e.g., fecundity or fighting ability) </a><span>—</span> the better the correlation, the more honest the signal.</li> <li>However, this view of signaling potentially conflates unreliable indicators with dishonest signals. <a name="_Hlk78958826"></a><a name="_Hlk77063018">Just because a trait conveys unreliable information does not mean that the structure serves as a dishonest signal; developmental noise, genetic drift, and environmental constraints can reduce the covariation between a putative signal and an organism's quality. </a>Moreover, a trait must influence the behavior of other organisms to qualify as a signal.</li> <li>We studied how a putative signal, claw size, affects physical performance and social dominance in three species of stream-dwelling crayfish, which fight routinely over resources. For comparison, we measured the relationship between claw size and claw strength in three species of burrowing crayfish, which do not fight.</li> <li>In all species, crayfish with larger claws were not necessarily stronger, indicating that claw size poorly indicates claw strength. However, claw size is unlikely to function as a dishonest signal of fighting ability in these species for two reasons. First, claw size unreliably indicates claw strength in both the stream-dwelling species and the burrowing species. Second, relative claw size poorly predicted whether stream-dwelling crayfish would escalate aggression, questioning whether claw size serves as a signal. Instead, stream-dwelling crayfish escalated aggression based on their relative body size.</li> <li><a name="_Hlk77056087"> Our results highlight the importance of observing behavior when determining the honesty of a signal. As such, future studies must distinguish between phenotypes that are unreliable indicators (or reliable indicators) from phenotypes that have been selected for dishonest (or honest) signaling. </a></li> </ol>
Figure 2 from: Coughran J, McCormack R (2011) Euastacus morgani sp. n., a new spiny crayfish (Crustacea, Decapoda, Parastacidae) from the highland rainforests of eastern New South Wales, Australia. ZooKeys 85: 17-26. https://doi.org/10.3897/zookeys.85.1237
Figure 2 - Euastacus morgani sp. n. Dorsal view of body A and cheliped B, holotype specimen, AM P.84263. Dorsal view of antennal squame C, lateral view of third maxilliped D and ventral view of left hand side of cephalon showing interantennal scale E, specimen ACP 1103. Scale bars = 5 mm.
Figure 3 from: Coughran J, McCormack R (2011) Euastacus morgani sp. n., a new spiny crayfish (Crustacea, Decapoda, Parastacidae) from the highland rainforests of eastern New South Wales, Australia. ZooKeys 85: 17-26. https://doi.org/10.3897/zookeys.85.1237
Figure 3 - Location of the type locality (black square) on the northern margin of Bindarri National Park, in central eastern Australia.
Figure 6 from: Loughman Z, Simon T (2011) Zoogeography, taxonomy, and conservation of West Virginia's Ohio River floodplain crayfishes (Decapoda, Cambaridae). ZooKeys 74: 1-78. https://doi.org/10.3897/zookeys.74.808
Figure 6 - Cambarus carinirostris and Cambarus bartonii cavatus distribution along the West Virginia portion of the Ohio River floodplain
Figure 2 from: Loughman Z, Simon T (2011) Zoogeography, taxonomy, and conservation of West Virginia's Ohio River floodplain crayfishes (Decapoda, Cambaridae). ZooKeys 74: 1-78. https://doi.org/10.3897/zookeys.74.808
Figure 2 - Ohio River floodplain collection sites – Northern Counties. Site numbers correspond to numbers in Table 1.
Figure 19 from: Loughman Z, Simon T (2011) Zoogeography, taxonomy, and conservation of West Virginia's Ohio River floodplain crayfishes (Decapoda, Cambaridae). ZooKeys 74: 1-78. https://doi.org/10.3897/zookeys.74.808
Figure 19 - Orconectes obscurus and Orconectes sanbornii distribution along the West Virginia portion of the Ohio River floodplain
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
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