Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة; سمكة نهرية (Ref. 51243); نطاق العمق 0 - 20 m (Ref. 34291). Tropical
Africa: endemic to the Lake Victoria drainage (Ref. 52331). Present in Lake Victoria and its affluent rivers, Victoria Nile, Lake Kyoga (Ref. 1440, 4903, 34290) and in the Akagera system in Rwanda (Ref. 46152) and Burundi (Ref. 40373).
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 15.1 range ? - ? cm
Max length : 41.0 cm SL ذكر/ مختلط الجنس; (Ref. 34290); common length : 30.0 cm SL ذكر/ مختلط الجنس; (Ref. 34290)
Lateral line running along middle of the flank and the caudal peduncle. Flap of skin in front of upper lip. Jaws with horny cutting ridges. Barbels hidden. Olivaceous dorsally, light or creamy ventrally. Dorsal, anal and pelvic fins often orange-tipped (Ref. 34290).
Anadromous species; ascending both large rivers and streams during floods and spawning in floodwater pools or inundated grasses at margins of rivers (Ref. 105018). Upstream migration at beginning of rains (Ref. 36900) in fairly compact shoals (Ref. 52083). Permanent river populations exist (Ref. 52083). Lake Victoria: in shallow, inshore waters and influent rivers (Ref. 34291). Lake Kyoga: in open waters away from water-lily zone (Ref. 4903). Specialized feeder on epilithic and epiphytic algae (Ref. 12526). Also feeds on rotifers growing on the body of other fishes (Ref. 34291). Caught with weirs and in baskets (Ref. 4967). Oviparous (Ref. 205).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Reid, G.M., 1985. A revision of African species of Labeo (Pisces: Cyprinidae) and a re-definition of the genus. Verlag von J. Cramer, Braunschweig. 322 p. (Ref. 1440)
IUCN Red List Status (Ref. 130435: Version 2024-1)
استخدامات بشرية
مصائد: تجاري
أدوات
تقارير خاصة
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مصادر علي الأنترنت
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=0.00977 (0.00508 - 0.01880), b=3.08 (2.92 - 3.24), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 2.4 ±0.22 se; based on food items.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).
