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266 results for “Anostomidae”
Figure 1 in New records of the occurrence of Megaleporinus macrocephalus (Garavello & Britski, 1988) (Characiformes, Anostomidae) from the basins of the Itapecuru and Mearim rivers in Maranhão, Northeastern Brazil
Figure 1. Geographic distribution of Megaleporinus macrocephalus in Brazil. The area of the new registrations for the Itapecuru rivers in the municipality of Pé da Serra and Mearim in the locality Laje dos Currais, in São Mateus, and in the city of Pedreiras in the Northeast Region.
Fig. 6 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 6. Leporinus melanopleurodes: (a) holotype, MZUSP 100987, 99.4 mm SL, rio das Almas; (b) paratype, MZUSP 111242, 83.3 mm SL, rio Jiquiriçá; (c) paratype, MCP 36965, 128.7 mm SL, rio Jiquiriçá. Scale bars = 10 mm.
Fig. 13 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 13. Rio Gongogi, tributary of rio de Contas, Bahia, Itajibáat 14°21'16.5"S 39°46'23.9"W, type locality of Leporinus brinco.
Fig. 10 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 10. Leporinus brinco: (a) holotype, MZUSP 105166, 128.5, rio Gongogi, tributary of rio de Contas; (b) paratype, UFBA 4843, 174.9 mm SL, rio de Contas; (c) paratype, MZUSP 102526, 44.3 mm SL, rio Gavião, tributary of rio de Contas; (d) paratype, MZUSP 102552, 28.8 mm SL, rio Gongogi, tributary of rio de Contas. Scale bars = 10 mm.
Fig. 9 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 9. Rio das Almas, Bahia, Nilo Peçanha, at 13°36'27.8"S 39°8'38.8"W, type locality of Leporinus melanopleurodes.
Fig. 1 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 1. Leporinus melanopleura: (a) lectotype, BMNH 1863.3.27.6, 91.2 mm SL, "Bahia"; (b) paralectotype, BMNH 1863.3.27.7, 104.3 mm SL, "Bahia"; (c) MZUSP 111246, 90.9 mm SL, rio Una; (d) MZUSP 111246, 27.3 mm SL, rio Una; (e) MCP 17712, 18.4 mm SL, rio Branco, tributary of rio Una. Scale bars = 10 mm.
Fig. 5 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 5. Leporinus taeniatus: (a) paralectotype of Leporinus melanopleura, BMNH 1861.5.16.14, 102.6 mm SL, rio Cipó, tributary of rio das Velhas, rio São Francisco basin; (b) MZUSP 47459, 96.5 mm SL, rio Verde, tributary of rio São Francisco. Scale bars = 10 mm.
Fig. 3 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 3. Scanning electron image of the upper and lower jaws of Leporinus melanopleura in lateral view, MZUSP 100986, 57.6 mmSL.
Fig. 5 in A new species of Leporinus Agassiz, 1829 (Characiformes: Anostomidae) from the rio Tocantins, Brazil
Fig. 5. Leporinus gomesi (a), MZUSP 14441, paratype, 104.3 mm SL, igarapé da Chapada, tributary of igarapé do Aeroporto, rio Aripuanã drainage, Aripuanã, Mato Grosso, Brazil; Leporinus nijsseni (b), MZUSP 48506, 138.5 mm SL, Sara creek, Brokopodo, Suriname.
Fig. 12 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 12. Image of the upper and lower jaws, in lateral view, of Leporinus brinco, in lateral view, MZUSP 110617, paratype, 139.0 mmSL.
Fig. 8 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 8. Scanning electron image of the upper and lower jaws of Leporinus melanopleurodes, in lateral view, MZUSP 109769, 89.5 mmSL.
Fig. 1 in A new species of Leporinus Agassiz, 1829 (Characiformes: Anostomidae) from the rio Tocantins, Brazil
Fig. 1. Leporinus santosi: (a) holotype, MZUSP 110000, 117.5 mm SL, igarapé do Pojuca, tributary of rio Itacaiúnas, 5°22'S 50°32'W, Parauapebas, Pará, Brazil; (b) paratype, 29156, 61.6 mm SL, rio Itacaiúnas at cachoeira Carreira Comprida, 5°52'S 50°32'W, Parauapebas, Pará, Brazil.
Fig. 11 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 11. Leporinus brinco, paratype, MZUSP 111257, 74.4 mm SL, rio Gongogi, tributary of rio de Contas, photographed live. Scale bar = 10 mm.
Fig. 7 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 7. Leporinus melanopleurodes: (a) paratype, MZUSP 111242, 87.4 mm SL, rio das Almas, (b) paratype, MZUSP 111227, 99.2 mm SL, rio Jiquiriçá [specimen lacking adipose fin], photographed live. Scale bars = 10 mm.
Fig. 4 in A new species of Leporinus Agassiz, 1829 (Characiformes: Anostomidae) from the rio Tocantins, Brazil
Fig. 4. Leporinus granti: (a) holotype, FMNH 53383, 110.5 mm SL, Maripicru creek, a tributary of Ireng River, approximately 4°16'S 59°43'W, Potaro-Siparuni, Guyana; (b) BMNH 1864.1.21.44, paralectotype of Leporinus megalepis, 92.9 mm SL, Essequibo River, Ehrhardt; (c) MZUSP 14448, 109.7 mm SL, igarapé do Porto, tributary of rioAripuanã, at Humboldt, Aripuanã, Mato Grosso, Brazil; (d) MZUSP 97562, 65.3 mm SL, pool near rio Jamanxim, 7°51'47"S 55°10'47"W, Novo Progresso, Pará, Brazil. Photo d by Mark Sabaj Pérez.
Fig. 4 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 4. Distribution of Leporinus melanopleura (triangles), L. melanopleurodes (square), and L. brinco (circles); type localities indicates by white symbols. River basins: (1) rio Jequitinhonha, (2) rio Pardo, (3) rio Una, (4) rio de Contas, (5) rio das Almas, (6) rio Jiquiriçá, (7) rio Paraguaçu, (8) rio Itapecuru, and (9) rio São Francisco.
Fig. 2 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 2. Leporinus melanopleura: (a) MZUSP 111246, 27.3 mm SL, rio Una, (b) MZUSP 111246, 90.9 mm SL, rio Una; both photographed live. Scale bars = 10 mm.
FIGURE 3 in Comparative analysis of the reproductive activity of Leporinus piau (Characiformes: Anostomidae) in lentic and lotic environments
FIGURE 3 | Bimonthly distribution of stages of gonadal maturation of female and male Leporinus piau in sections 1 and 2 of the São Francisco River (SFR) basin from May 2015 to April 2016.
FIGURE 2 in Comparative analysis of the reproductive activity of Leporinus piau (Characiformes: Anostomidae) in lentic and lotic environments
FIGURE 2 | Histological sections of testes of Leporinus piau in different stages of gonadal maturation stained by HE. (A) At rest (M1), containing only spermatogonia (SPG) and lumen of closed seminiferous tubules. (B) Initiation of maturation with a small number of spermatozoa (SPZ) in the lumen of the seminiferous tubules. (C) Maturation/mature (M2), with seminiferous tubules filled with spermatozoa (SPZ). (D) Spent (M3), with the lumen of the seminiferous tubules open and an appreciable amount of spermatozoa. Bars: A and D = 40µm; B and C = 200µm.
FIGURE 9 in A new species of Leporinus (Characiformes: Anostomidae) from the Serra do Cachimbo, Pará State, Brazil
FIGURE 9 | Salto do Cachimbo, at the Brazilian Air Force base, rio Braço Norte, a tributary of rio Teles Pires, upper rio Tapajós basin, Pará State.
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OpenNeuro
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