Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce; salmastro benthopelagico. 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).
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 26.0 cm SL maschio/sesso non determinato; (Ref. 4967)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 7; Raggi dorsali molli (totale) : 9 - 11; Spine anali: 1; Raggi anali molli: 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).
Body shape (shape guide): fusiform / normal.
Inhabits rivers and estuaries, including quiet swift water (Ref. 4967, 79840). Sometimes abundant in lagoons (Ref. 4967).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00444 - 0.01558), b=3.09 (2.93 - 3.25), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 2.1 ±0.1 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (22 of 100).
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