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679 results for “Crayfishes”
FIGURE 6 in Lacunicambarus chimera: a new species of burrowing crayfish (Decapoda: Cambaridae) from Illinois, Indiana, Kentucky, and Tennessee
FIGURE 6. Dorsal view of Form I holotypic male of Lacunicambarus chimera (OSUMC 10650). Photo by Guenter Schuster.
FIGURE 11 in Lacunicambarus chimera: a new species of burrowing crayfish (Decapoda: Cambaridae) from Illinois, Indiana, Kentucky, and Tennessee
FIGURE 11. Sunburst chart adapted from Miller et al. (2014) showing occurrences of different life history stages (represented by different colors) by month in our specimens examined. Abbreviations: FI, Form I; FII, Form II.
FIGURE 1 in Redescription and circumscription of the Acuminate Crayfish, Cambarus acuminatus Faxon, 1884 (Decapoda: Cambaridae)
FIGURE 1. Map showing the distribution of Cambarus acuminatus sensu lato based on records in the North Carolina Museum of Natural Sciences (NCSM) Non-molluscan Invertebrate Collection (green circles), the West Liberty University (WLU) Crayfish Collection (yellow circles), and the Smithsonian Institution's National Museum of Natural History (USNM) Invertebrate Zoology Collection (orange circles). Sub-basins (HUC-8 level) with solid shading denote the distribution of the C. species C complex; the dashed sub-basin denotes the Saluda River drainage, to which C. acuminatus sensu stricto is restricted.
FIGURE 3. Cambarus acuminatus form I in Redescription and circumscription of the Acuminate Crayfish, Cambarus acuminatus Faxon, 1884 (Decapoda: Cambaridae)
FIGURE 3. Cambarus acuminatus form I male, South Saluda River, Pickens County, South Carolina. Several branchiobdellidans (crayfish worms) can be seen on the crayfish, including the carapace, chelipeds, and uropods, under the rostrum, and behind the eye.
FIGURE 2 in Redescription and circumscription of the Acuminate Crayfish, Cambarus acuminatus Faxon, 1884 (Decapoda: Cambaridae)
FIGURE 2. Cambarus acuminatus (A) lateral view of carapace; (B) dorsal view of carapace; (C) epistome; (D) annulus ventralis; (E) lateral and (F) mesial view of form I gonopod; (G) lateral and (H) mesial view of form II gonopod; (I) telson and uropods; (J) dorsal view of right carpus and chelae, and; (K) dorsal view of right antennal scale. A–C, E–F, and I–J from form I male (NCSM 21000); D and K from adult female (NCSM 21001); G–H from form II male (NCSM 21002).
FIGURE 1 in A new crayfish of the genus Cambarus Erichson, 1846 (Decapoda: Cambaridae) from an under-sampled habitat type in central Ten- nessee, USA
FIGURE 1. Typical habitat for Cambarus clivosus, new species—a high gradient, seepfed creek in Cannon Co., TN.
FIGURE 4 in A new crayfish of the genus Cambarus Erichson, 1846 (Decapoda: Cambaridae) from an under-sampled habitat type in central Ten- nessee, USA
FIGURE 4. Known range of Cambarus clivosus, new species, in central Tennessee, USA. Closed circles indicate sites at which C. clivosus was found; open circles indicate sites at which C. clivosus was absent.
FIGURE 5 in Cambarus fetzneri sp. nov., a new species of burrowing crayfish (Decapoda: Cambaridae) from the Allegheny Mountains of Virginia and West Virginia, USA
FIGURE 5. Differences in coloration between Cambarus monongalensis (Top) and Cambarus fetzneri (Bottom).
FIGURE 2 in Cambarus fetzneri sp. nov., a new species of burrowing crayfish (Decapoda: Cambaridae) from the Allegheny Mountains of Virginia and West Virginia, USA
FIGURE 2. Cambarus fetzneri, new species: (A.) Lateral view of carapace; (B.) mesial and (C.) lateral view of form I gonopod; (D.) mesial and (E.) lateral view of form II gonopod; (F.) annulus ventralis; (G.) dorsal view of carapace; (H.) right antennal scale; (I.) dorsal view of right carpus and chelae; (J.) epistome. A-C and G-J from holotype; F from allotype; D-E from morphotype.
FIGURE 1 in Cambarus fetzneri sp. nov., a new species of burrowing crayfish (Decapoda: Cambaridae) from the Allegheny Mountains of Virginia and West Virginia, USA
FIGURE 1. Sheared PCA plot for (squares) form 1 males, (triangles) form II males, and (circles) females of Cambarus fetzneri and C. monongalensis. Cambarus fetzneri = blacks; Cambarus monongalensis = white.
FIGURE 5 in Lacunicambarus dalyae: a new species of burrowing crayfish (Decapoda Cambaridae) from the southeastern United States
FIGURE 5. Range map of Lacunicambarus dalyae sp. nov. based on examined specimens. Localities for historical museum specimens lacking GPS coordinates estimated given available information. Green dots indicate sampling site and the orange star denotes the type locality of the species.
FIGURE 6 in Lacunicambarus dalyae: a new species of burrowing crayfish (Decapoda Cambaridae) from the southeastern United States
FIGURE 6. Mesial and lateral views of Form I (top row) and Form II (bottom row) gonopods of L. dalyae sp. nov., L. polychromatus, and L. thomai. Abbreviations: ck, caudal knob; cp, central projection; FI, Form I; FII, Form II, mp, mesial process; u, umbo.
FIGURE 3 in Lacunicambarus dalyae: a new species of burrowing crayfish (Decapoda Cambaridae) from the southeastern United States
FIGURE 3. Dorsal view of female specimen of Lacunicambarus dalyae sp. nov. from Humphreys County, Tennessee demonstrating color variation present in the species.
FIGURE 4 in Description of the second juvenile stage of the blue-fingered burrowing crayfish Parastacus caeruleodactylus (Decapoda: Astacidea: Parastacidae)
FIGURE 4. Parastacus caeruleodactylus second juvenile stage (UFRGS 6677). A, Propodus and dactylus of pereopod 1. B, Propodus and dactylus of pereopod 2. C, Propodus and dactylus of pereopod 3. D, Propodus and dactylus of pereopod 4. E, Propodus and dactylus of pereopod 5. F, telson and uropods ventral view. an = anus; ho = hook; s = spine; uro = uropod. Scale bars, A–F—0.5 mm.
FIGURE 1 in Description of the second juvenile stage of the blue-fingered burrowing crayfish Parastacus caeruleodactylus (Decapoda: Astacidea: Parastacidae)
FIGURE 1. Parastacus caeruleodactylus (UFRGS 6677). A, adult female carrying juveniles (juv) under its pleon. B, female pleon bearing juveniles (juv) attached to its pleopods (ple), egg cases (egc) and the exuviae of the first juvenile stage (exu). C, illustration of the second juvenile stage attached to female pleopods by the hooks (ho) of the pereopods 4 and 5 and remaining egg cases (egc). Scale bars, C—1.5 mm.
FIGURE 3 in Description of the second juvenile stage of the blue-fingered burrowing crayfish Parastacus caeruleodactylus (Decapoda: Astacidea: Parastacidae)
FIGURE 3. Parastacus caeruleodactylus second juvenile stage (UFRGS 6677). A, mandible. B, maxilla 1. C, maxilla 2. D, maxilliped 1. E, flagellum of exopod of maxilliped 1. F, maxilliped 2. G, maxilliped 3. Scale bars, G—0.5 mm; A, B, C and F—0.3 mm; D and E—0.1 mm.
FIGURE 2 in Description of the second juvenile stage of the blue-fingered burrowing crayfish Parastacus caeruleodactylus (Decapoda: Astacidea: Parastacidae)
FIGURE 2. Parastacus caeruleodactylus second juvenile stage (UFRGS 6677). A, habitus, lateral view. B, antenna 1. C, distalmost articles of antenna 1 flagellum. D, antenna 2. E, distal article of antenna 2. Scale bars, A—1.5 mm; B and D—0.5 mm; C and E—0.1 mm.
Fig. 5 in Update of genetic information for the white-clawed crayfish in Spain, with new insights into its population genetics and origin
Fig. 5 Principal Coordinate Analysis (PCoA) of the whiteclawed crayfish populations. Eigenvalues for each principal coordinate are listed beside each axis. The pie graphs show the relative proportion of haplotypes
Fig. 6 in Update of genetic information for the white-clawed crayfish in Spain, with new insights into its population genetics and origin
Fig. 6 Mismatch distributions, observed and expected, in the Spanish populations as a whole and in the 'Northern' and 'Central' genetic clusters detected. The neutrality test Fs, D and R2 values are also shown
Fig. 1 in Update of genetic information for the white-clawed crayfish in Spain, with new insights into its population genetics and origin
Fig. 1 Location of the white-clawed crayfish populations analysed. Table 1 provides details for each population
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
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