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Siluriformes (Catfishes) >
Schilbeidae (Schilbid catfishes)
Etymology: yangambianus: Referring to the type locality of this species, Yangambi (Middle Congo)(Ref. 43912).
More on author: Poll.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين نزديك كف زي. Tropical
Africa: middle Congo River basin including the drainages of the Ubangi, Kasai and Kwando (Ref. 43912) and Lukenie basin (Ref. 127185); also known from a single locality on the upper Zambezi river in Zambia (Ref. 43912). Also reported from the upper Congo (Ref. 106245) and the Zambezi in Angola (Ref. 120641).
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 25.0 cm SL جنس نر / بدون خواص جنسي; (Ref. 3570)
خارهاي باله مخرجي: 0. Diagnosis: adipose fin always present; anterior nostrils closer to each other or at same distance as posterior ones; barbels well developed, nasal barbel at least reaching to anterior border of opercle; snout reaching beyond lower jaw, upper lips slightly surrounding lower jaw when mouth is closed; inner side of pectoral spine feebly serrated; striking brownish colour pattern, often irregularly marbled and characterized by the presence of a very dark blotch above pectoral spine, where swim-bladder lies close below skin; eyes rather small (Ref. 43912).
Prefer smaller forest streams with rocky (Ref. 7248, 43912) or sandy bottom (Ref. 43912). Nocturnal (Ref. 43912). Probably carnivorous (Ref. 43912), with a preference for terrestrial and aquatic insects (Ref. 7248, 43912). Oviparous, eggs are unguarded (Ref. 205).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Distinct pairing (Ref. 205).
Skelton, P.H., 1993. A complete guide to the freshwater fishes of southern Africa. Southern Book Publishers. 388 p. (Ref. 7248)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-1)
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=0.00589 (0.00269 - 0.01291), b=3.03 (2.84 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.9 ±0.45 se; based on food items.
جهندگی (Ref.
120179): زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (Assuming fec > 10,000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).
