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1,021 results for “freshwater crab”
FIGURE 4 in Stoliczia setoiyenica, a new species of freshwater crab from southern Thailand (Crustacea: Decapoda: Brachyura: Potamidae)
FIGURE 4. Stoliczia setoiyenica, new species, paratype, female (27.5 × 21.5 mm) (ZRC 2023.0415), Thailand. A, overall dorsal habitus; B, pleon; C, sternopleonal cavity showing vulvae.
FIGURE 1 in Stoliczia setoiyenica, a new species of freshwater crab from southern Thailand (Crustacea: Decapoda: Brachyura: Potamidae)
FIGURE 1. Stoliczia setoiyenica, new species, holotype, male (36.7 × 28.5 mm) (ZRC 2023.0411), Thailand. A, overall dorsal habitus; B, dorsal view of carapace; C, frontal view of cephalothorax; D, antennules, antennae and epistome; E, chelae.
FIGURE 2 in Stoliczia setoiyenica, a new species of freshwater crab from southern Thailand (Crustacea: Decapoda: Brachyura: Potamidae)
FIGURE 2. Stoliczia setoiyenica, new species, holotype, male (36.7 × 28.5 mm) (ZRC 2023.0411), Thailand. A, anterior half of thoracic sternum; B, posterior half of thoracic sternum and pleon; C, median part of thoracic sternum and pleon; D, sternopleonal cavity.
FIGURE 6 in On a new species of freshwater crab from southern China (Crustacea, Brachyura, Potamidae)
FIGURE 6. Indochinamon frontatum sp. nov. left G1 of male holotype: ventral view (A); dorsal view (B); left G2 (C). Scales, 1 mm.
FIGURE 4 in On a new species of freshwater crab from southern China (Crustacea, Brachyura, Potamidae)
FIGURE 4. Indochinamon frontatum sp. nov. male holotype (A, C); female paratype, NNU16-7472-06 (B, D). Ventral view showing anterior thoracic sternum and pleon (A, B); ventral view showing sterno-pleonal cavity with G1 in situ (C); thoracic sternum and vulvae (D). Scales, 10 mm.
FIGURE 2 in On a new species of freshwater crab from southern China (Crustacea, Brachyura, Potamidae)
FIGURE 2. Indochinamon frontatum sp. nov. male holotype, NNU16-7472-01: dorsal view (A); frontal view (B); ventral view (C). Scales, 10 mm.
FIGURE 3 in On a new species of freshwater crab from southern China (Crustacea, Brachyura, Potamidae)
FIGURE 3. Indochinamon frontatum sp. nov. male holotype: left third maxilliped (A); (B); ventral view of major cheliped (C) outer view of major chela; left second ambulatory legs (D). Scales, 10 mm.
FIGURE 1 in On a new species of freshwater crab from southern China (Crustacea, Brachyura, Potamidae)
FIGURE 1. Map showing Yunnan Province, China, and collection localities of the new species described in this study.
FIGURE 7 in On a new species of freshwater crab from southern China (Crustacea, Brachyura, Potamidae)
FIGURE 7. The phylogenetic tree of the BI and ML inferences. Bayesian inference posterior probability (PP) and maximum likelihood bootstrap (BS) are noted above and below the node (PP/BS). Asterisks indicate PP = 1.00 or BS = 100. The new species is indicated by red, and the new obtained sequences are indicated in bold.
FIGURE 5. A in Geothelphusa boreas, a new montane freshwater crab (Crustacea: Potamidae Geothelphusa) from northeastern Taiwan, and the identity of G. hirsuta Tan & Liu, 1998
FIGURE 5. A Bayesian Inference (BI) tree of Geothelphusa boreas sp. nov. and related montane species from northern Taiwan based on cytochrome oxidase I (COI) marker. Probability values at the nodes represent the support values for BI and maximum evolution (ME). For haplotype abbreviations, see Table 1. Corresponding numbers of localities in Fig. 1 are in parenthesis behind haplotype abbreviations.
FIGURE 3. Male right G1 and G2 in Geothelphusa boreas, a new montane freshwater crab (Crustacea: Potamidae Geothelphusa) from northeastern Taiwan, and the identity of G. hirsuta Tan & Liu, 1998
FIGURE 3. Male right G1 and G2 of Geothelphusa boreas sp. nov. (holotype, NCHUZOOL 13615). A, D, ventral view of G1; B, dorsal view of G1; C, terminal segment of G1; D, ventral view of G2. Scale = 2.5 mm for A, B, D; scale = 0.5 mm for C.
FIGURE 2 in Geothelphusa boreas, a new montane freshwater crab (Crustacea: Potamidae Geothelphusa) from northeastern Taiwan, and the identity of G. hirsuta Tan & Liu, 1998
FIGURE 2. Geothelphusa boreas sp. nov. A, B, C, dorsal, frontal and ventral views of the holotype (NCHUZOOL 13615); D, habitat in Dakeng Bridge, Suao, Yilan; E, F, habitat in Shenmihu, Nan-ao, Yilan; G, H, habitat in Tongshan, Nan-ao, Yilan. The arrows in E and G indicated the localities with crabs observed. The two rulers in H were used for a separate ecological study of the habitat.
FIGURE 4. Male right G1s in Geothelphusa boreas, a new montane freshwater crab (Crustacea: Potamidae Geothelphusa) from northeastern Taiwan, and the identity of G. hirsuta Tan & Liu, 1998
FIGURE 4. Male right G1s of Geothelphusa takuan Shy, Yu & Ng, 1994 (holotype, NTOU F10205; A, B) and G. hirsuta Tan & Liu, 1998 (holotype, TMCD 3285; C, D). A, C, ventral view; B, D, dorsal view. Scale = 1 mm.
Figure 4 in Revision of the higher taxonomy of Neotropical freshwater crabs of the family Pseudothelphusidae, based on multigene and morphological analyses
Figure 4. Morphological traits of the first male gonopod (G1) of some representative species of Pseudothelphusoidea. A, Epiloboceridae: Epilobocera cubensis Stimpson, 1860 (right G1, mesial view SMF 3880). B–I, Pseudothelphusidae. B, Strengerianinae: Chaceus curimanensis Campos & Valencia, 2004 (left G1, caudalmesial view, INPA 1488). C, Hypolobocerinae: Hypolobocera rathbunae Pretzmann, 1968 (right G1, caudal view, MZUSP 6383). D, Guinotinae: Guinotia dentata Latreille, 1825 (left G1, caudalmesial view, INPA 1445). E, Kingsleyinae: Kingsleya gustavoi Magalhães, 2005 (left G1, caudal view, holotype, INPA 1320, reproduced from Magalhães, 2005). F, Ptychophallinae: Ptychophallus tristani (Rathbun, 1896) (left G 1, caudoalmesial view, holotype, USNM 19047, reproduced from Magalhães et al., 2015). G, Potamocarcininae: Potamocarcinus armatus H. Milne Edwards, 1853 (left G1, mesial view, INPA 2123). H, Raddausinae, Raddaus bocourti (A. Milne-Edwards, 1866) (left G1, mesial view, INPA 2020). I, Pseudothelphusinae: Pseudothelphusa americana de Saussure, 1857 (right G1, mesial view, syntype, MHNGenève uncatalogued). Scale bars = 1 mm.
Figure 1. Bayesian maximum clade credibility tree obtained for 32 in Revision of the higher taxonomy of Neotropical freshwater crabs of the family Pseudothelphusidae, based on multigene and morphological analyses
Figure 1. Bayesian maximum clade credibility tree obtained for 32 genera of the superfamily Pseudothelphusoidea. Values at nodes represent bootstrap values for the Maximum Likelihood analysis (above branches) and posterior probabilities (below branches).
Figure 3 in Revision of the higher taxonomy of Neotropical freshwater crabs of the family Pseudothelphusidae, based on multigene and morphological analyses
Figure 3. Distribution areas of the Pseudothelphusoidea, by families and subfamilies, in the American continent.
Figure 4 in Evolution of sperm morphology in potamid freshwater crabs (Crustacea: Brachyura: Potamoidea)
Figure 4. Diagrammatic drawings of potamine spermatozoa. A, Parathelphusula panningi (with cleistospermic spermatophore wall). B, Himalayapotamon emphysetum (with cleistospermic spermatophore wall). C, Socotrapotamon socotrense. Scale bars: 1 Mm.
Figure 3 in Evolution of sperm morphology in potamid freshwater crabs (Crustacea: Brachyura: Potamoidea)
Figure 3. Transmission electron microscopy (TEM) of potamid spermatozoa. A, B, Parathelphusula panningi. A, longitudinal sagittal view. B, cross section. C–F, Himalayapotamon emphysetum. C, longitudinal sagittal view; the arrowhead indicates the perforate operculum. D, 'tongue-and-groove' connection between the operculum and the acrosomal zones beneath. E, overview of cleistospermic spermatophores. F, cross section. Scale bars: 1 Mm, or as indicated. Abbreviations: arrowhead, vestigial 'tongue & groove connection'; ar, acrosome ray zone; ia, inner acrosomal zone; nu, nucleus; oa, outer acrosomal zone; op, operculum; pc, perforatorial chamber; tg, 'tongue-and-groove' connection; sw, spermatophore wall.
Figure 2 in Evolution of sperm morphology in potamid freshwater crabs (Crustacea: Brachyura: Potamoidea)
Figure 2. Maximum clade credibility tree based on Bayesian inference (BEAST 1.4.8) of a 16S rRNA fragment (523 bp) including potamid species with known sperm ultrastructure and Gecarcinucidae as the out-group. The nomenclature of subclades is as suggested by Shih et al. (2009). European Molecular Biology Laboratory (EMBL) accession numbers of sequences obtained in this study are shown in bold.
Figure 1 in Evolution of sperm morphology in potamid freshwater crabs (Crustacea: Brachyura: Potamoidea)
Figure 1. Transmission electron microscopy (TEM) of potamid spermatozoa. A–E, Socotrapotamon socotrense. A, longitudinal sagittal view; the white line points to the perforate operculum. B, coenospermic spermatophore. C, cross section. D, electron-lucent ring around the opening of the perforatorial chamber. E, spermatophore wall. F–J, Potamon fluviatile. F, spermatophore wall. G, coenospermic spermatophore. H, longitudinal sagittal section (slightly transverse) and cleistospermic spermatophore. J, cross section. Scale bars: 1 Mm, or as indicated. Abbreviations: ar, acrosome ray zone; ia, inner acrosomal zone; nu, nucleus; oa, outer acrosomal zone; op, operculum; pc, perforatorial chamber; sw, spermatophore wall.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.