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Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Torinae
Eponymy: Sir Harry Hamilton Johnston (1858–1927) was a formidable English explorer, botanist, linguist and colonial administrator. [...] (Ref. 128868), visit book page.
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة; سمكة نهرية (Ref. 51243). Tropical; 8°S - 15°S
Africa: Lake Malawi basin (Ref. 2801, 75045).
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 30.4  range ? - ? cm
Max length : 50.0 cm SL ذكر/ مختلط الجنس; (Ref. 4967)
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 12 - 14; شوكة شرجية: 0; أشعه شرجية لينه: 8 - 9; فقرات: 40 - 43. Diagnosis: High lateral line scale count, 31-40 scales on lateral line; long, robust barbelsof equal length; and enlarged, molariform pharyngeal teeth (Ref. 75045).
Inhabits inshore areas of the lake, but ascends rivers to breed (Ref. 4967). Found in all types of habitat and occurs in groups of about 25 individuals; not exported for trade (Ref. 5595).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Lévêque, C. and J. Daget, 1984. Cyprinidae. p. 217-342. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 2801)
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=0.00955 (0.00430 - 0.02123), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 2.0 ±0.00 se; based on food items.
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).