Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين; لب شور موجوداتی که در محدوده وسیعی از آبهای آزاد از نزدیک بستر و یا روی کف بستر، در قسمت های میان آبی تا سطح آب و در برخی گونه ها با قابلیت پرواز، زندگی و تغذیه می کنند.. 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).
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 26.0 cm SL جنس نر / بدون خواص جنسي; (Ref. 4967)
خارهاي باله پشتي (کل) : 7; شعاع نرم باله پشتي (کل) : 9 - 11; خارهاي باله مخرجي: 1; شعاع نرم باله مخرجي: 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).
Life cycle and mating behavior
Maturities | تولید مثل | Spawnings | Egg(s) | Fecundities | توزاد ( لارو)
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00452 - 0.01601), b=3.08 (2.92 - 3.24), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.1 ±0.1 se; based on size and trophs of closest relatives
جهندگی (Ref.
120179): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (22 of 100).
