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275 results for “Heptapteridae”
Fig. 3 in Larvae occurrences of Rhamdia quelen (Quoy & Gaimard, 1824) (Siluriformes: Heptapteridae) in an area under dam influence in the upper Paraná River region, Brazil
Fig. 3. Monthly density and per sampling stations of the larval development stages of Rhamdia quelen in Ilha Grande National Park.
Fig. 1 in Larvae occurrences of Rhamdia quelen (Quoy & Gaimard, 1824) (Siluriformes: Heptapteridae) in an area under dam influence in the upper Paraná River region, Brazil
Fig. 1. Location of sampling stations (black dots). (1: Bandeirantes right channel; 2: Amambaí; 3: Triângulo; 4: Porto Santo Antônio; 5: Peruzzi; 6: Paraná/Iguatemi; 7: Iguatemi; 8: Paraná/Saraiva; 9: Saraiva middle; 10: Saraiva channel; 11: Ilha Grande right channel; 12: Bandeirantes left channel; 13: Ilha Grande Pontal; 14: Alvarenga; 15: Esmeralda; 16: Três Coqueiros; 17: São João; 18: Porto Luiz; 19 Porto Cerâmica; 20: Piquiri; 21: Porto Terra Roxa; 22: Ilha Grande left channel).
FIGURE 2 in A new species of Pimelodella (Siluriformes: Heptapteridae) from the Paraguai basin, Brazil, with a discussion regarding its distribution
FIGURE 2 | Left lateral view of radiographs of Pimelodella species, illustrating the dorsal lamina of Weberian complex vertebrae of A. Pimelodella guato, paratype, ZUFMS-PIS 647, 90.1 mm SL; B. P. taeniophora, ZUFMS-PIS 6320, 68.9 mm SL; C. P. mucosa, holotype, CAS 63720, 97.4 mm SL; and D. P. serrata, LIRP 10022, 83.6 mm SL.
FIGURE 5 in A new species of Pimelodella (Siluriformes: Heptapteridae) from the Paraguai basin, Brazil, with a discussion regarding its distribution
FIGURE 5 | Sexually dimorphic traits in an adult male specimen of Pimelodella guato (paratype, CIUnB 1772, 93.8 mm SL). A. Filament on the non-spinous portion of dorsal-fin second (unbranched) ray, indicated by a white arrow; and B. Enlarged urogenital papilla, indicated by a white arrow. Scale bars = 1 cm.
FIGURE 4 in A new species of Pimelodella (Siluriformes: Heptapteridae) from the Paraguai basin, Brazil, with a discussion regarding its distribution
FIGURE 4 | Geographic distribution of Pimelodella guato in the rio Paraguai basin (red star, type-locality; red dots, paratype localities). The symbols might represent more than one voucher specimen each.
FIGURE 1 in A new species of Pimelodella (Siluriformes: Heptapteridae) from the Paraguai basin, Brazil, with a discussion regarding its distribution
FIGURE 1 | Pimelodella guato, holotype, ZUFMS-PIS 8515, 78.5 mm SL, Brazil, Mato Grosso do Sul, Corumbá municipality, rio Paraguai basin, rio Miranda, sandy beaches at Passo do Lontra region, 19°34'37"S 57°00'42"W. A. Dorsal; B. Left lateral; and C. Ventral views. Scale bar = 1 cm.
FIGURE 3 in A new species of Pimelodella (Siluriformes: Heptapteridae) from the Paraguai basin, Brazil, with a discussion regarding its distribution
FIGURE 3 | Pectoral-fin spine of A. Pimelodella guato, paratype, CIUnB 1772, 91.2 mm SL, length of spine 16.7 mm; B. P. taeniophora, ZUFMS-PIS 6320, 68.9 mm SL, length of spine 11.4 mm; C. P. mucosa, holotype, CAS 63720, 97.4 mm SL, length of spine 22.8 mm; D. P. serrata, holotype, FMNH 57979, 55.7 mm SL, length of spine 18.3 mm; and E. P. howesi, holotype, ANSP 69036, 79.3 mm SL, length of spine 17.8 mm.
FIGURE 7 in Redescription and expansion of the geographic distribution of Phenacorhamdia nigrolineata (Siluriformes: Heptapteridae)
FIGURE 7 | Unpreserved aquarium specimen supposedly of Phenacorhamdia nigrolineata (approximately 60 mm SL) from Madre de Dios River basin, Peru, showing its color in life. Photographed by Steven Grant.
FIGURE 6 in Redescription and expansion of the geographic distribution of Phenacorhamdia nigrolineata (Siluriformes: Heptapteridae)
FIGURE 6 | Phenacorhamdia nigrolineata. A. MTD F 17472, paratype, 33.2 mm SL, Peru, Ucayali departament, Tierra Roja, Ucayali River basin (Photographed by Mario Richter). B. IAvH-P 10948, 45.0 mm SL, Colombia, Amazonas River basin, Leticia, PNN Amacayacu (Photographed by Juan Gabriel A. Garzón). C. MCP 53512, 40.0 mm SL, Brazil, Tapajós River basin, Itapacurazinho river. D. AUM 36000, 24.8 mm SL, Guyana, Rupununi River, tributary of the Branco River basin (Photographed by Jonathan Armbruster). Scale bars = 1 cm.
FIGURE 1 in Redescription and expansion of the geographic distribution of Phenacorhamdia nigrolineata (Siluriformes: Heptapteridae)
FIGURE 1 | Phenacorhamdia nigrolineata, MTD F 20728, holotype, 37.6 mm SL, Peru, Departamento de Ucayali, Tierra Roja, near Pucallpa: A. Dorsal, B. Left lateral, and C. Ventral views. Photographed by Mario Richter.
FIGURE 3 in Redescription and expansion of the geographic distribution of Phenacorhamdia nigrolineata (Siluriformes: Heptapteridae)
FIGURE 3 | Radiographic images of Phenacorhamdia nigrolineata, MTD F 17472, paratype, 33.2 mm SL: A. Left lateral and B. Ventral views. Photographed by Mario Richter.
FIGURE 5 in Redescription and expansion of the geographic distribution of Phenacorhamdia nigrolineata (Siluriformes: Heptapteridae)
FIGURE 5 | Lateral view of caudal vertebrae of Phenacorhamdia nigrolineata, MCP 53512, 40.0 mm SL: A. Hemal spines bifids between vertebrae 24 and 32 (arrows) associated with pterygiophores of the anal fin; B. Posterior vertebrae and caudal skeleton. Abbreviations: EPU, epural; HU1+HU2, ventral hypural plate formed by coossification of hypurals 1 and 2; HU3+HU4, dorsal hypural plate formed by co-ossification of hypurals 3 and 4; HU5, dorsal hypural plate 5; PH, parhypural; PU1+U1, complex centrum composed of preural centrum 1 and ural centrum 1; UR, uroneral. Scale bars = 1 mm.
FIGURE 2 in Redescription and expansion of the geographic distribution of Phenacorhamdia nigrolineata (Siluriformes: Heptapteridae)
FIGURE 2 | Radiographic images of Phenacorhamdia nigrolineata, MTD F 20728, holotype, 37.6 mm SL: A. Left lateral and B. Ventral views. Photographed by Mario Richter.
FIGURE 9 in Redescription and expansion of the geographic distribution of Phenacorhamdia nigrolineata (Siluriformes: Heptapteridae)
FIGURE 9 | Dispersion of individual scores of first two principal component analysis of four populations of Phenacorhamdia nigrolineata (blue dots = Ucayali River basin; brown dots = Amayacu River basin; green dots = Madeira River basin; black dots = Tapajós River basin), P. boliviana (gray dots = Beni River basin), and P. unifasciata (purple dots = Upper Paraná River basin).
FIGURE 8 in Redescription and expansion of the geographic distribution of Phenacorhamdia nigrolineata (Siluriformes: Heptapteridae)
FIGURE 8 | Geographical distribution of Phenacorhamdia nigrolineata in the western Amazon basin. Black star represents the type locality in Peru; black dots represent remaining known localities. One dot may represent more than one lot.
FIGURE 4 in Redescription and expansion of the geographic distribution of Phenacorhamdia nigrolineata (Siluriformes: Heptapteridae)
FIGURE 4 | Illustration of the cranium of Phenacorhamdia nigrolineata, dorsal view, MCP 53512, 40.0 mm SL. Abbreviations: af, anterior fontanel; AN, antorbital; AP, autopalatine; EP, epioccipital; ES, extrascapula; EX, exoccipital; FR, frontal; i1–6, infraorbital sensory branches 1 to 6; LE, lateral ethmoid; ME, mesethmoid; MX, maxilla; NA, nasal; pf, posterior fontanel; PRE, premaxilla; PT, pterotic; s1–8, supraorbital sensory branches 1 to 8; s2+i2) supraorbital sensory branch 2 + infraorbital sensory branch 2; SP, sphenotic; SOC, supraoccipital; SOCP, supraoccipital process. Scale bars = 1 mm.
FIGURE 7 in New species of Phenacorhamdia (Siluriformes: Heptapteridae) from the Xingu River basin
FIGURE 7 | Geographic distribution of Phenacorhamdia suia in Brazilian Shield. Black star = holotype. Red circles = paratypes localities.
FIGURE 6 in New species of Phenacorhamdia (Siluriformes: Heptapteridae) from the Xingu River basin
FIGURE 6 | Radiograph images of the holotype of Phenacorhamdia suia, MNRJ 24850, 81.8 mm SL. Lateral (top) and ventral (bottom) views.
FIGURE 3 in New species of Phenacorhamdia (Siluriformes: Heptapteridae) from the Xingu River basin
FIGURE 3 | Left dentary of Phenacorhamdia suia, paratype, LBP 15886, 51.3 mm SL (c&s). A. Dorsal view of medial portion of dentary teeth (scale bar = 0.1 mm) and B. Dorsal view of entirely dentary teeth (scale bar = 0.5 mm).
FIGURE 4 in New species of Phenacorhamdia (Siluriformes: Heptapteridae) from the Xingu River basin
FIGURE 4 | Lateral, dorsal and ventral view of head of Phenacorhamdia suia, LBP 15886, 79.9 mm SL, paratype, showing the cephalic laterosensory pores. Infraorbital pores (i1–i6); Preoperculomandibular pores (pm1–pm11); Postotic pores (po1–po2); Supraorbital pores (s1–s3, and s8).
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International Brain Laboratory public data
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OpenNeuro
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