Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce; estuarina bentopelágico. Tropical
Africa: East coast rivers and estuaries south to Algoa Bay. Also known Somaliland (Gulf of Aden including Somalia, Djibouti, and southeastern Ethiopia) and Madagascar (Ref. 4343).
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 26.0 cm SL macho/indeterminado; (Ref. 4967)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 7; Raios dorsais (total) : 9 - 11; Espinhos anais: 1; Raios anais : 10 - 111. Diagnosis: palate without teeth; no spines on preopercle; dorsal fin with normal first spines; fleshy process below opercle; caudal fin not longer than head; no scales on opercle (Ref. 79840). Greenish with blotches on back and side (Ref. 2798).
Coloration: generally olive green on back, paler on flanks, and greenish-greyish ventrally; brownish spots on back and flanks; caudal fin with small brown spots; brownish bands between mouth and eyes (Ref. 79840).
Inhabits rivers and estuaries, including quiet swift water (Ref. 4967, 79840). Sometimes abundant in lagoons (Ref. 4967).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Eccles, D.H., 1992. FAO species identification sheets for fishery purposes. Field guide to the freshwater fishes of Tanzania. Prepared and published with the support of the United Nations Development Programme (project URT/87/016). FAO, Rome. 145 p. (Ref. 4967)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2024-1)
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00450 - 0.01608), b=3.08 (2.92 - 3.24), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 2.1 ±0.1 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): médio(a), tempo mínimo de duplicação da população 1,4 - 4,4 anos (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (22 of 100).