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2,258 results for “Catfish”
Fig. 4 in Seasonal changes in the gonadossomatic index, allometric condition factor and sex ratio of an auchenipterid catfish from eastern Amazonia
Fig. 4. Bimonthly variation in the raw data (a,c) and mean values (b, d) of the gonadosomatic index (GSI) for female (a, b) and male (c, d) of the catfish Auchenipterichthys longimanus collected from July 2008 to July 2009 in the Caxiuanã National Forest.
Fig. 3 in Sound production and pectoral spine locking in a Neotropical catfish (Iheringichthys labrosus, Pimelodidae)
Fig. 3. Sonogram (top) and oscillogram (below) swimbladder drumming sounds recorded underwater illustrating sound characteristics measured. TD = train durations; SD = sound duration; PP = pulse period; PD = pulse durations.
Fig. 1 in Sound production and pectoral spine locking in a Neotropical catfish (Iheringichthys labrosus, Pimelodidae)
Fig. 1. Sonogram (top) and oscillogram (below) of pectoral sounds illustrating sound characteristics measured. TD = train durations; SD = sound duration; PP = pulse period; PD = pulse durations.
Fig. 2 in Sound production and pectoral spine locking in a Neotropical catfish (Iheringichthys labrosus, Pimelodidae)
Fig. 2. Oscillogram of pectoral sound (all pulses in the oscillogram) emitted by Iheringichthys labrosus caught in the net in field.
Fig. 5 in Two new remarkable and endangered catfish species of the genus Cambeva (Siluriformes, Trichomycteridae) from southern Brazil
Fig. 5. Cambeva betabelardense sp. nov., holotype (UFRJ 6995), 42.7 mm SL. A. Left lateral view. B. Dorsal view. C. Ventral view.
Fig. 3 in Two new remarkable and endangered catfish species of the genus Cambeva (Siluriformes, Trichomycteridae) from southern Brazil
Fig. 3. Map of geographical distribution of Cambeva alphabelardense sp. nov. and C. betabelardense sp. nov.
Fig. 1 in Two new remarkable and endangered catfish species of the genus Cambeva (Siluriformes, Trichomycteridae) from southern Brazil
Fig. 1. Cambeva alphabelardense sp. nov., holotype (UFRJ 6990), 43.4 mm SL. A. Left lateral view. B. Dorsal view. C. Ventral view.
Fig. 2. Osteological structures. A–C in Two new remarkable and endangered catfish species of the genus Cambeva (Siluriformes, Trichomycteridae) from southern Brazil
Fig. 2. Osteological structures. A–C. Cambeva alphabelardense sp. nov., paratype (UFRJ 6993). D–F. Cambeva betabelardense sp. nov., paratype (UFRJ 6996). A, D. Mesethmoidal region and adjacent structures, left and middle portions, dorsal view. B, E. Left jaw suspensorium and opercular series, lateral view. C, F. Parurohyal, ventral view. Abbreviations of structures indicated by arrows are: amp = anteroventral metapterygoid process; doe = dorsal opercular expansion; iap = anterior projection of interopercle. Heavier stippling represents cartilaginous areas. Scale bar: 1 mm.
FIGURE 7 in A New Species of Air-breathing Catfish (Clariidae: Clarias) from Salonga National Park, Democratic Republic of the Congo
FIGURE 7. Species of the Clarioides subgenus from the Congo River basin: A, AMNH 250869 Clarias angolensis; B, AMNH 227571 Clarias buthupogon, marbled variant; C, AMNH 274802 Clarias buthupogon, dark variant; and D, AMNH 268382 Clarias gabonensis. Scale bars = 1 cm.
FIGURE 8 in A New Species of Air-breathing Catfish (Clariidae: Clarias) from Salonga National Park, Democratic Republic of the Congo
FIGURE 8. Maxillary barbel length plotted against standard length for Clarias monsembulai (open circles), Clarias angolensis (shaded circles), and two type specimens of Clarias angolensis macronema (diamonds).
FIGURE 6 in A New Species of Air-breathing Catfish (Clariidae: Clarias) from Salonga National Park, Democratic Republic of the Congo
FIGURE 6. Collection localities of Clarias monsembulai within the Congo River Basin (upper inset). Coded regions of the map (lower inset) correspond to the freshwater ecoregions of the world obtained from www. feow.org.
FIGURE 5 in A New Species of Air-breathing Catfish (Clariidae: Clarias) from Salonga National Park, Democratic Republic of the Congo
FIGURE 5. Exposed cleithrum (demarcated by dashed line) of A, Clarias buthupogon, AMNH 227571, 162 mm SL and B, Clarias monsembulai, AMNH 244162, 183 mm SL. Scale bar = 1 cm.
FIGURE 4 in A New Species of Air-breathing Catfish (Clariidae: Clarias) from Salonga National Park, Democratic Republic of the Congo
FIGURE 4. Suprabranchial organ of Clarias monsembulai, AMNH 244162, 165 mm SL (suprapreopercle removed). Scale bar = 1 cm.
FIGURE 3 in A New Species of Air-breathing Catfish (Clariidae: Clarias) from Salonga National Park, Democratic Republic of the Congo
FIGURE 3. Computed tomography scan reconstruction of the skull and pectoral girdle of Clarias monsembulai (at left and above), AMNH 252267, 179 mm SL in A, dorsal; B, ventral; and C, lateral views. Abbreviations: ang, anguloarticular; apal, autopalatine; br, branchiostegal rays; ch-a, anterior ceratohyal; ch-p, posterior ceratohyal; cl, cleithrum; cor, coracoid; den, dentary; fr, frontal; hhv, ventral hypohyal; hm, hyomandibula; io-ii, infraorbital ii; io-iii, infraorbital iii; io-iv, infraorbital iv; iop, interopercle; lac, lacrimal; leth, lateral ethmoid; meth, mesethmoid; mx, maxilla; na, nasal; ns, neural spines; op, opercle; o-susp, os suspensorium; pmx, premaxilla; pop, preopercle; pp-v4, parapophysis of 4th vertebra; pp-v5, parapophysis of 5th vertebra; ps, pectoral spine; pt, pterotic; pt-scl, posttemporo-supracleithrum; q, quadrate; rad, radials; soc, supraoccipital; sph, sphenotic; spop, suprapreopercle; trsc, transcapular process; uh, urohyal; vo, vomer. Scale bars = 1 cm.
FIGURE 2 in A New Species of Air-breathing Catfish (Clariidae: Clarias) from Salonga National Park, Democratic Republic of the Congo
FIGURE 2. Lateral view of Clarias monsembulai new species, holotype AMNH 244176, 226 mm SL. Luilaka River at Ilenge, Salonga National Park. Scale bar = 1 cm.
FIGURE 1 in A New Species of Air-breathing Catfish (Clariidae: Clarias) from Salonga National Park, Democratic Republic of the Congo
FIGURE 1. Computed tomography scans showing dorsal view of the skull of A, AMNH 59064 Clarias laeviceps and B, AMNH 274797 Clariallabes melas with the suprapreopercle (spop) and sphenotic (sph) highlighted in red.
Fig. 2 in Two new species of blackwater catfishes (Siluriformes: Siluridae and Clariidae) from the Natuna Archipelago, Indonesia
Fig. 2. Lateral view of Silurichthys insulanus, new species, MZB 17239 holotype, 41.9 mm SL (composite of the same fish, top with black background, bottom with white background).
Fig. 1 in Two new species of blackwater catfishes (Siluriformes: Siluridae and Clariidae) from the Natuna Archipelago, Indonesia
Fig. 1. Lateral views of head region of A) Silurichthys insulanus, new species, MZB 17239 holotype, 41.9 mm SL; B) S. marmoratus, ZRC 40107, 41.7 mm SL, Brunei; C) S. gibbiceps, ZRC 40328 paratype, 47.2 mm SL, Barito (not to scale).
Fig. 4 in Two new species of blackwater catfishes (Siluriformes: Siluridae and Clariidae) from the Natuna Archipelago, Indonesia
Fig. 4. Dorsal views showing differences in head and pectoral fin morphology between A) C. rennyae, new species, holotype, MZB 17237, 108 mm SL, Pulau Natuna Besar, and B) C. leiacanthus, ZRC uncat., 133.8 mm SL, Pulau Natuna Besar (not to scale).
FIGURE 4 in Species delimitation reveals an underestimated diversity of Andean catfishes of the family Astroblepidae (Teleostei: Siluriformes)
FIGURE 4 | Species tree inferred from the concatenated dataset of mitochondrial genes (COI, Cytb, and 16S). Nodal support values are Bayesian posterior probabilities. Non-significant speciation probabilities identified in BP&P analysis algorithm A10 (PP:<0.95) are indicate by black circles and species supported with asterisk.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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.