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2,258 results for “Catfish”
Figure 9. Delturus angulicauda, MCP 28036, 202.3 in Delturinae, a new loricariid catfish subfamily (Teleostei, Siluriformes), with revisions of Delturus and Hemipsilichthys
Figure 9. Delturus angulicauda, MCP 28036, 202.3 mm standard length, male, Rio Mucuri at Nanuque, Minas Gerais.
Figure 8 in Delturinae, a new loricariid catfish subfamily (Teleostei, Siluriformes), with revisions of Delturus and Hemipsilichthys
Figure 8. Hemipsilichthys nimius, holotype, MCP 33049, 105.1 mm standard length, male, Rio Carrasquinho below Cachoeira do Tobogã, upper Rio Perequê-Açu, Rio de Janeiro.
Figure 4. Hemipsilichthys gobio, UFJF 0362, 111.6 in Delturinae, a new loricariid catfish subfamily (Teleostei, Siluriformes), with revisions of Delturus and Hemipsilichthys
Figure 4. Hemipsilichthys gobio, UFJF 0362, 111.6 mm standard length, male, Ribeirão Santana, Rio Paraíba do Sul drainage, Minas Gerais.
Fig. 1 in Induced spawning and early ontogeny in hatchery-reared catfish Zungaro jahu (Siluriformes: Pimelodidae)
Fig. 1. Steromicroscopic images of fresh oocytes (a; 1.6 mm in diameter), eggs (b-k; ~2.4 mm in diameter), embryos (l-m; ~2.4 mm in diameter), and free embryo (l-n; 4.3 mm TL) of jahu in hatchery conditions. a) recently spawned oocyte covered by the jelly coat (arrow); b) egg showing a large perivitelline space and two blastomeres of same size (45 min post fertilization, PF); c) dorsal view of egg seen in b; d) egg with four blastomeres of same size (50 min PF); e) egg with eight blastomeres of same size (50 min PF); f) egg with sixteen blastomeres of same size (1 h 15 min PF); g) egg with thirty-two blastomeres of same size (1 h 20 min PF); h) morula stage (2 h 10 min PF); i) half of the yolk sphere (circa 50% epiboly) was covered with the blastoderm (4 h 50 min PF); j) formation of the yolk plug circa 90% epiboly (6 h 30 min PF); k) end of epiboly with closure of embryo ring (blastopore) (7 h 30 min PF); l) embryo exhibiting optic calyx (OC), otic vesicle (OV), Kupffer's vesicle (KV), and 13 somites (10 h 30 min); m) embryo within egg envelop exhibiting free, beating tail (13 h 30 min PF); n) free embryo, the almost transparent body is involved by the primordial fin fold; head and anterior part of body over the yolk sac; non-pigmented retina; mouth is closed; notochord slightly flexed; 39.1 ± 2.0 miotomes (circa 6 h post hatching).
Fig. 9 in Systematics of the Jaguar catfish genus Liosomadoras Fowler, 1940 (Auchenipteridae: Siluriformes)
Fig. 9. Caudal skeleton in lateral view of Liosomadoras oncinus, MZUSP 105828, 99 mm SL. EP = epural, H = hypurapophysis, HS = hemal spine, HY = hypural, NS = neural spine, PH = parhypural, PS = pleurostyle, PU1+U1 = fused first preural and first ural centra, PU2 = second preural centra. Scale bar = 5 mm.
Fig. 2 in Systematics of the Jaguar catfish genus Liosomadoras Fowler, 1940 (Auchenipteridae: Siluriformes)
Fig. 2. Liosomadoras oncinus: (a) specimen purchased on the Aquarium trade in Montreal (photo by Oliver Lucanus); (b) and (d) AUM uncatalogued, collected with MZUSP 105828 (photo by Nathan Lujan); (c) MZUSP 105828 (nuptial male), río Ventuari, Orinoco basin. All photographed live.
Fig. 6 in Systematics of the Jaguar catfish genus Liosomadoras Fowler, 1940 (Auchenipteridae: Siluriformes)
Fig. 6. Pectoral girdle in ventral view of Liosomadoras oncinus, MZUSP 105828, 99 mm SL. Scale bar = 5 mm.
Fig. 4 in Systematics of the Jaguar catfish genus Liosomadoras Fowler, 1940 (Auchenipteridae: Siluriformes)
Fig. 4. Tympanic area in lateral view of Liosomadoras oncinus, MZUSP 93497, 74.8 mm SL. Scale bar = 10 mm.
Fig. 10 in Systematics of the Jaguar catfish genus Liosomadoras Fowler, 1940 (Auchenipteridae: Siluriformes)
Fig. 10. Distribution of the species of Liosomadoras, L. oncinus represented by yellow circles, and L. morrowi by red squares. Type locality represented by open symbols.
Fig. 5 in Systematics of the Jaguar catfish genus Liosomadoras Fowler, 1940 (Auchenipteridae: Siluriformes)
Fig. 5. Schematic illustration of the hyoid and branchial arches in dorsal view of Liosomadoras oncinus, based on MZUSP 93497, 70.7 mm SL. Left side of dorsal branchial arches omitted for ease of understanding. Urohyal and branchiostegal rays not represented. AC = anterior ceratohyal, BBn basibranchials, CBn = ceratobranchials, cn = cartilaginous nodule, DH = dorsal hypohyal, Epn = epibranchials, HBn = hypobranchials, IH = interhyal, PBn = pharyngobranchials, PC = posterior ceratohyal, UPTP = upper pharyngobranchial tooth plate, VH = ventral hypohyal. Scale bar = 5 mm.
Fig. 3 in Systematics of the Jaguar catfish genus Liosomadoras Fowler, 1940 (Auchenipteridae: Siluriformes)
Fig. 3. Head in dorsal (a) and lateral (b) view of Liosomadoras oncinus, MZUSP 105828, 99 mm SL.AAR = angulo-articular, acf anterior cranial fontanel; ANP anterior nuchal plate, CLE = cleithrum, COR = coracoid, DEN = dentary, ENT = entopterygoid, EPO = epioccipital, FRO = frontal, HYO = hyomandibular, IO = infra-orbital, IOP = interopercle, LET = lateral ethmoid, MAX = maxilla, MES = mesethmoid, MNP = middle nuchal plate, Mr Müllerian ramus, MTP = metapterygoid, OPE = opercle, PNP = posterior nuchal plate, POP = preopercle, PTO = pterotic, QUA = quadrate, SCL = posttemporo-supracleithrum, SOC = parietosupraoccipital, SPO = sphenotic. Scale bar = 5 mm.
Fig. 7 in Systematics of the Jaguar catfish genus Liosomadoras Fowler, 1940 (Auchenipteridae: Siluriformes)
Fig. 7. Schematic illustration of the pelvic girdle in dorsal view of Liosomadoras oncinus, based on MZUSP 105828, 101 mm SL. Scale bar = 5 mm.
Fig. 8 in Systematics of the Jaguar catfish genus Liosomadoras Fowler, 1940 (Auchenipteridae: Siluriformes)
Fig. 8. Anal fin in lateral view of a nuptial male of Liosomadoras oncinus, MZUSP 105828, 99 mm SL. Scale bar = 5 mm.
Fig. 2 in New Japanese Record of Henneguya postexilis (Cnidaria: Myxobolidae) from Gills of Alien Channel Catfish Ictalurus punctatus (Siluriformes: Ictaluridae) in Japan
Fig. 2. Line drawings (composite) of fresh myxospores of Henneguya postexilis. A, Valvular view; B, sutural view. Scale bars: 10 µm.
Fig. 3 in New Japanese Record of Henneguya postexilis (Cnidaria: Myxobolidae) from Gills of Alien Channel Catfish Ictalurus punctatus (Siluriformes: Ictaluridae) in Japan
Fig. 3. Maximum likelihood phylogenetic tree based on 18S rDNA data (1513 bp including gaps) from Henneguya postexilis and other related myxozoans using Myxobolus lepomis as an outgroup. The accession number and scientific name of the newly sequenced species in this study are indicated in bold. The corresponding ISND accession numbers are shown. Arabic numerals at nodes indicate bootstrap values.
Fig. 1 in New Japanese Record of Henneguya postexilis (Cnidaria: Myxobolidae) from Gills of Alien Channel Catfish Ictalurus punctatus (Siluriformes: Ictaluridae) in Japan
Fig. 1. Light photomicrograph of two fixed plasmodia with a gill filament of Ictalurus punctatus (A) and fresh myxospores (B–G) of Henneguya postexilis. Arrowheads indicate each plasmodium. B, D, E, Valvular view; C, F, G, sutural view. Scale bars: A, 200 µm; B–G, 10 µm.
Figure 3 in Glyptothorax distichus, a New Species of Catfish (Teleostei: Sisoridae) from Mizoram, North-Eastern India
Figure 3. Ventral surface of pectoral fin spine of Glyptothorax distichus, ZSI FF 5391, paratype, 78.0 mm SL.
Figure 1 in Glyptothorax distichus, a New Species of Catfish (Teleostei: Sisoridae) from Mizoram, North-Eastern India
Figure 1. Glyptothorax distichus, ZSI FF 5390, holotype, 101.1 mm SL; India: Mizoram: Tlawng River; dorsal, lateral and ventral views.
Figure 2 in Glyptothorax distichus, a New Species of Catfish (Teleostei: Sisoridae) from Mizoram, North-Eastern India
Figure 2. Thoracic adhesive apparatus of Glyptothorax distichus, ZSI FF 5390, holotype, 101.1 mm SL.
DATASET Stridulation sounds of the pacamã Lophiosilurus alexandri Steindachner, 1876 (Pseudopimelodidae), a threatened endemic Brazilian catfish
<p>This dataset contains acoustic files with sounds produced by the pacamã Lophiosilurus alexandri Steindachner, 1876. The details can be found in the related publication Raick et al. 2025.</p>
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.