Meio ambiente: milieu / Zona climática / intervalo de profundidade / faixa de distribuição
Ecologia
; Água doce demersal; pH range: 6.5 - 7.5; dH range: ? - 15; potamódromo (Ref. 138143). Tropical; 22°C - 28°C (Ref. 12468)
Africa: from Senegal to the Chad basin (Ref. 2936, 86396), but absent in coastal basins between southern Gambia and Sassandra (Ref. 2936, 86396). Also in the Nile (Ref. 7094, 28714) and the Cross River (Ref. 81638, 86396).
Comprimento de primeira maturação / Tamanho / Peso / Idade
Maturidade: Lm ?, range 30 - ? cm
Max length : 76.0 cm TL macho/indeterminado; (Ref. 7094); peso máx. publicado: 6.3 kg (Ref. 7094)
Espinhos dorsais (total) : 0; Raios dorsais (total) : 21 - 27; Espinhos anais: 0; Raios anais : 13 - 17. Diagnosis: mouth subterminal; body depth 2.7-3.6x and head length 3.3-5.5x SL; caudal peduncle 0.7-1.1x longer than wide; 12-15 scales between lateral line and scaly process at bases of pelvic fins; eye diameter 3.3 (juveniles)-7x head length; juveniles with vertical bars on sides (Ref. 2936, 86396). Round humeral spot present (less obvious in larger individuals); body never with small, dark, eye-sized spots (Ref. 81638). 83-94 lateral line scales (Ref. 2936, 81638, 86396). 21-26 (Ref. 86396) or 21-27 (Ref. 81638) total dorsal fin rays. 13-16 (Ref. 86396) or 13-17 (Ref. 81638) total anal fin rays.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Marco-herbivores, feed on submerged plants, Eichornia roots and periphyton (Ref. 28714). Maximum length 62.5 cm SL (Ref. 2936, 81638, 86396).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Vari, R.P., 2007. Distichodontidae. p. 412-465. In M.L.J. Stiassny, G.G. Teugels and C.D. Hopkins (eds.) The fresh and brackish water fishes of Lower Guinea, West-Central Africa. Volume I. Collection Faune et Flore tropicales 42. Institut de Recherche pour le Développement, Paris, France, Muséum National d’Histoire Naturelle, Paris, France, and Musée Royal de l’Afrique Centrale, Tervuren, Belgium. 800 pp. (Ref. 81638)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2025-2 (Global))
Ameaça para os humanos
Harmless
Uso pelos humanos
Pescarias: espécies comerciais
Ferramentas
Relatórios especiais
Baixar XML
Fontes da internet
Estimativas baseadas em modelos
Índice de diversidade filogenética (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01175 (0.00849 - 0.01625), b=3.04 (2.97 - 3.11), in cm total length, based on LWR estimates for this species (Ref. 93245). |
Nível Trófico (Ref. 69278) |
2.6 ±0.25 se; based on food items. |
Vulnerabilidade da pesca (Ref. 59153) |
Low to moderate vulnerability (32 of 100). 🛈 |
Categoria de preço (Ref. 80766) |
Unknown.
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