分類 / Names
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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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
生態学
; 新鮮な水 底生の. 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).
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 24.8 cm SL オス/雌雄の選別がない; (Ref. 7378)
背面の脊椎 (合計) : 15 - 17; 背鰭 (合計) : 11 - 14; 肛門の骨: 3; 臀鰭: 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 | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
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)
Human uses
用具
特記事項
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インターネットの情報源
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).
栄養段階 (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.
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (K=0.69).
Fishing Vulnerability (Ref.
59153): Low vulnerability (22 of 100).
