Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة القاع; سمكة نهرية (Ref. 51243). Tropical; 24°C - 28°C (Ref. 12468); 15°N - 4°N
Africa: upper Senegal, upper and middle Niger system, upper Comoe, Volta, Mono, Bénoué and Lake Chad (Ref. 53405).
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL ذكر/ مختلط الجنس; (Ref. 5163); أعلا وزن تم نشرة: 1.0 kg (Ref. 3799)
الأشواك الظهرية (المجموع) : 14 - 16; الأشعة الظهرية الناعمة (المجموع) : 12 - 16; شوكة شرجية: 3; أشعه شرجية لينه: 8 - 10. Diagnosis: lower pharyngeal bone about as long as broad with anterior lamella shorter than toothed area; median pharyngeal teeth not broadened; dorsal fin with 14-16 spines and 12-16 soft rays (mean 15, 13-15); 8-10 lower gill-rakers; bifurcated dark vertical bars on the upper half of flanks; dorsal and anal without orange-red upper margin; dorsal and caudal fins not or feebly blotched (Ref. 53405).
Probably pair-bonding, open substratum spawner, with both parents guarding the brood (Ref. 52307).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Dunz, A.R. and U.K. Schliewen, 2013. Molecular phylogeny and revised classification of the haplotilapiine cichlid fishes formerly referred to as "Tilapia". Mol. Phylogenet. Evol. 68(1):64-80. (Ref. 93285)
IUCN Red List Status (Ref. 130435)
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=0.01905 (0.00827 - 0.04391), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 2.4 ±0.1 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100).