Ambiente: milieu / zona climática / intervalo de profundidade / gama 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 na primeira maturidade / 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 moles (total) : 21 - 27; Espinhos anais: 0; Raios anais moles: 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 e 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)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-2 (Global))
Ameaça para o homem
Harmless
Utilização humana
Pescarias: espécies comerciais
Ferramentas
Relatórios especiais
Descarregue 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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