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275 results for “Heptapteridae”
FIGURE 1 in New species of Phenacorhamdia (Siluriformes: Heptapteridae) from the Xingu River basin
FIGURE 1 | Phenacorhamdia suia, MNRJ 24850, holotype, 81.8 mm SL, Brazil, Mato Grosso State, São Félix do Araguaia, upper Xingu River basin. Photographed by Dario Faustino-Fuster.
FIGURE 5 in New species of Phenacorhamdia (Siluriformes: Heptapteridae) from the Xingu River basin
FIGURE 5 | Lateral view of bifid hemal spines of vertebrae 27 to 31, located dorsally to anal-fin pterygiophores. Phenacorhamdia suia, paratype, LBP 15886 (1 c&s), 51.3 mm SL.
FIGURE 2 in New species of Phenacorhamdia (Siluriformes: Heptapteridae) from the Xingu River basin
FIGURE 2 | Phenacorhamdia suia, paratypes, LBP 15886: A. 79.9 mm SL; B. 65.7 mm SL; C. 56.0 mm SL. Photographed by Lais Reia.
Fig. 4 in Two new trans-Andean species of Imparfinis Eigenmann & Norris, 1900 (Siluriformes: Heptapteridae) from Colombia
Fig. 4. Imparfinis usmai, live specimen (IMCN 3842, 73.6 mm SL), Colombia, Cauca, Caloto, río Japio, upper río Cauca basin, 03°01'N 76°24'W.
Fig. 5 in Two new trans-Andean species of Imparfinis Eigenmann & Norris, 1900 (Siluriformes: Heptapteridae) from Colombia
Fig. 5. Trans-Andean species of Imparfinis and I. pseudonemacheir from Venezuelan Orinoco basin. Scale bars 1 cm. (a) I. usmai, MBUCV-V-35640, 88.7 mm SL, Colombia, Valle del Cauca, Cartago, río La Vieja, Valle Cartago, upper río Cauca basin; (b) I. nemacheir, FMNH 58127 (ex CM 7125), 105.0 mm SL, holotype of Nannorhamdia nemacheir, photograph by M. Littmann, FMNH Division of Fishes; (c) I. nemacheir, holotype of N. nemacheir, illustration from Eigenmann (1922); (d) I. nemacheir, MHNLS 15453, 81.4 mm SL, Venezuela, Trujillo, río Pocó, Lago de Maracaibo basin; (e) I. spurrellii, ICN-MHN 5532, 82.0 mm SL, Colombia, Chocó, río San Juan; (f) I. pseudonemacheir, MBUCV-V-28656, 48.1 mm SL, Venezuela, Anzoategui, ríoAtapirire, where crossed by the road between Manasma and Atipirire, río Orinoco basin; (g) I. timana, IAvH-P 10696, 74.2 mm SL, holotype, Colombia, Huila, río Guarapas, in the mouth of quebrada La Quebradona, río Magdalena basin; (h) I. lineatus, MBUCV-V-32675, 69.4 mm SL, Costa Rica, Puntarenas, río Peje, 13 km S of San Isidro General.
Fig. 2 in Two new trans-Andean species of Imparfinis Eigenmann & Norris, 1900 (Siluriformes: Heptapteridae) from Colombia
Fig. 2. Map of midwestern region of Colombia showing geographic distribution of Imparfinis timana (circle, star: holotype locality) and I. usmai (squares, diamond: holotype locality). Some symbols represent more than one lot and/or locality.
Fig. 3 in Two new trans-Andean species of Imparfinis Eigenmann & Norris, 1900 (Siluriformes: Heptapteridae) from Colombia
Fig. 3. Imparfinis usmai, holotype, IMCN 4812, 83.4 mm SL, Colombia, Departamento del Tolima, Municipio Coello, vereda Potrerillo, quebrada Potrerilla, tributary of río Coello, río Magdalena basin, 04°16'57.9"N 75°01'53.8"W. Scale bar = 1 cm.
Fig. 1 in Two new trans-Andean species of Imparfinis Eigenmann & Norris, 1900 (Siluriformes: Heptapteridae) from Colombia
Fig. 1. Imparfinis timana, holotype, IAvH-P 10696, 74.2 mm SL, Colombia, Huila, Palestina, río Guarapas, in the mouth of quebrada La Quebradona, upper río Magdalena basin, 01º45'49"N 76º05'05"W. Scale bar = 1 cm.
Fig. 6 in A new cave species of Rhamdia (Siluriformes: Heptapteridae) from Serra do Ramalho, northeastern Brazil, with notes on ecology and behavior
Fig. 6. Dorsal view of the neurocranium of R. enfurnada (MZUSP 87779). AF, anterior fontanel; "IS", infraorbital bone series; FR, frontal; L, lachrymal; LE, lateral ethmoid; ME, mesethmoid; PF, posterior fontanel; PM, premaxilla; PT, pterotic; SP, sphenotic; SU, supraoccipital. Scale bar 2.5 mm. Drawing: F. D. Passos.
Fig. 7 in A new cave species of Rhamdia (Siluriformes: Heptapteridae) from Serra do Ramalho, northeastern Brazil, with notes on ecology and behavior
Fig. 7. Boxplots showing the proportions of R. enfurnada (a) and Rhamdia cf. quelen (b) found to be significantly different. HW:SL (head width:standard length), MB:SL (maxillary barbel length:standard length), IMB:SL (inner mental barbel length:standard length), IOW:HL (interorbital width:head length), ORB:HL (orbital diameter:head length), DFH:SL (dorsal fin height:standard length), PSL:PFL (pectoral-spine length:pectoral fin length), AFB:SL (anal-fin base length:standard length), AC:SL (anal origin to caudal base:standard length), CPD:CPL (caudal-peduncle depth:caudal peduncle length).
Fig. 5 in A new cave species of Rhamdia (Siluriformes: Heptapteridae) from Serra do Ramalho, northeastern Brazil, with notes on ecology and behavior
Fig. 5. Left pectoral fin spine of R. enfurnada showing the anterior margin with four retrorse dentations (MZUSP 87779). Scale bar, 2.5 mm. Drawing: F. D. Passos.
Fig. 1 in A new cave species of Rhamdia (Siluriformes: Heptapteridae) from Serra do Ramalho, northeastern Brazil, with notes on ecology and behavior
Fig. 1. Rhamdia enfurnada from Gruna do Enfurnado, Bahia State, northeastern Brazil; a, b, holotype, MZUSP 87776, 137.8 mm SL, in lateral and dorsal views, respectively; c, holotype, detail showing the long posterior-cleithral process (PCP). Scale bar, 20 mm. Drawing: F. D. Passos.
Fig. 4 in A new cave species of Rhamdia (Siluriformes: Heptapteridae) from Serra do Ramalho, northeastern Brazil, with notes on ecology and behavior
Fig. 4. Eye size variability of two paratypes of R. enfurnada; a, reduced eyes (32.9 mm HL); b, externally invisible eyes, with a conspicuous orbital concavity (32.1 mm HL); (MZUSP 87777).
Fig. 4. Microglanis aff. parahybae spermatozoa. A in Comparative description and discussion of spermiogenesis and spermatozoal ultrastructure in some species of Heptapteridae and Pseudopimelodidae (Teleostei: Siluriformes)
Fig. 4. Microglanis aff. parahybae spermatozoa. A: longitudinal section. A: X 9800. B: nucleus in cross section. B: X 17000. C: longitudinal sectional of the head and initial midpiece region. C: X 23000. D-E: midpieces in longitudinal sections. D: X 31500; E: X 21500. Insert: proximal centriole. X 59000. F: midpiece in cross sections. F: X 17000. C: centriolar complex; F: flagellum; H: head; M: mitochondria; MP: midpiece; N: nucleus; V: vesicle; arrow: cytoplasmic channel; asterisks: nuclear fossa.
Fig. 6. Pimelodella gracilis spermatozoa. A in Comparative description and discussion of spermiogenesis and spermatozoal ultrastructure in some species of Heptapteridae and Pseudopimelodidae (Teleostei: Siluriformes)
Fig. 6. Pimelodella gracilis spermatozoa. A: longitudinal section. A: X 21000. B: nucleus in cross section. B: X 21000. C, E: midpiece in longitudinal sections. C: X 20300; E: X 25200. D, F,G: midpieces in cross sections. D: X 29700; F: X 29400; G: X 29000. H: flagella in cross and longitudinal sections. H: X 25200. C: centriolar complex; F: flagellum; H: head; M: mitochondria; MP: midpiece; N: nucleus; V: vesicle.
Fig. 3. Pimelodella gracilis spermatids. A in Comparative description and discussion of spermiogenesis and spermatozoal ultrastructure in some species of Heptapteridae and Pseudopimelodidae (Teleostei: Siluriformes)
Fig. 3. Pimelodella gracilis spermatids. A: early spermatids in longitudinal section. A: X 12000. B, D: longitudinal sections. B: X 13000; D: X 14500. C, E, F: midpieces in cross sections. C: X 23200; E: X 21000; F: 18900. C: centriolar complex; F: flagellum; M: mitochondria; N: nucleus; V: vesicle; arrow: pseudo-cytoplasmic channel.
Fig. 1. Microglanis aff. parahybae spermatids. A-D in Comparative description and discussion of spermiogenesis and spermatozoal ultrastructure in some species of Heptapteridae and Pseudopimelodidae (Teleostei: Siluriformes)
Fig. 1. Microglanis aff. parahybae spermatids. A-D: early spermatids in longitudinal (A) and cross sections (B-D). A: X 10200; B: X 9750; C: 9750; D: X 13600. E-G: spermatids in longitudinal sections. E: X 13600; F: X 18400; G: X 13600. H: centriolar complex. H: X 34000. I: flagellum in cross section. I: X 59000. J: mitochondria. J: X 17200. K: flagellum in longitudinal section. K: X 23800. L-O: midpieces in longitudinal sections. L: X 18400; M: X 16100; N: X 17000; O: X 17000. A: axonema; C: centriolar complex; D: distal centriole; F: flagellum; M: mitochondria; N: nucleus; P: proximal centriole; V: vesicle; arrow: cytoplasmic channel; asterisks: nuclear fossa.
Figure 10 in Mastiglanis durantoni from French Guyana, a second species in the genus (Siluriformes: Heptapteridae), with a CT scan survey of phylogenetically-relevant characters
Figure 10. – Geographical distribution of Mastiglanis durantoni n. sp.
Figure 5 in The rediscovery of Pimelodella longipinnis (Borodin, 1927), an enigmatic Atlantic Rainforest catfish species from Southeastern Brazil (Siluriformes: Heptapteridae)
Figure 5. Distribution of Pimelodella longipinnis in Southeastern coastal Mata Atlântica streams of São Paulo State. In green is demarked part of the Parque Estadual da Serra do Mar extension.The collection sites are indicated by a black dot.The dot may correspond to more than one collection site. The center of Santos municipality is indicated by a black square.
Figure 4 in The rediscovery of Pimelodella longipinnis (Borodin, 1927), an enigmatic Atlantic Rainforest catfish species from Southeastern Brazil (Siluriformes: Heptapteridae)
Figure 4. Live specimens of P. longipinnis, showing the coloration in life (preserved in MZUSP 116324).
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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
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International Brain Laboratory public data
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OpenNeuro
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