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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Tilapia: Bechuana, African native thiape = fish (Ref. 45335).
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
; স্বাদু পানি তলদেশ বিহারী. Tropical; 24°C - 26°C (Ref. 12468); 14°N - 8°N
Africa: middle and lower courses of coastal rivers from Guinea-Bissau (Geba and Corubal Rivers) to Liberia (Cess River)(Ref. 53405). Possibly also present in Côte d'Ivoire (Ref. 272).
আকৃতি / ওজন / Age
Maturity: Lm ? range ? - ? cm
Max length : 24.8 cm SL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 7378)
পৃষ্ঠীয় কাঁটা (মোট ) : 15 - 17; পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ) : 11 - 14; পায়ূ কাঁটা : 3; পায়ূর নরম পাখনা্তুন্ড: 8 - 10. Diagnosis: body oblong (body depth 32.0-46.1% SL); outer teeth on jaws bicuspid and spatulated; micro-gillrakers present; transversal bands on the flanks (Ref. 53405).
Pair-bonding, open substratum spawner, with both parents guarding the brood; seems to breed throughout the year; development time of larvae, from deposition of eggs to free swimming stage, takes about 13 to 14 days (Ref. 52307).
Life cycle and mating behavior
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
Teugels, G.G. and D.F.E. Thys van den Audenaerde, 1991. Tilapia. p. 482-508. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref. 5163)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
হাতিয়ার
Special reports
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ইন্টারনেট সুত্র
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [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).
ট্রফিক পর্যায়ে (Ref.
69278): 2.1 ±0.2 se; based on size and trophs of closest relatives
Generation time: 1.6 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
স্থিতিস্থাপক (Ref.
120179): উচ্চ, সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৫ মাস (K=0.69).
Fishing Vulnerability (Ref.
59153): Low vulnerability (22 of 100).
