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: Günther.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の. Tropical; 23°C - 25°C (Ref. 2060); 8°N - 5°N
Africa: Bia, Tano and Pra basins in southeast Côte d'Ivoire and southwest Ghana; also in Lake Bosumtwi in Ghana (Ref. 53405). Also reported from the Densu basin in Ghana (Ref. 52307).
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 18.0 cm SL オス/雌雄の選別がない; (Ref. 7378)
背面の脊椎 (合計) : 14 - 16; 背鰭 (合計) : 10 - 13; 肛門の骨: 3; 臀鰭: 7 - 9. Diagnosis: 8-12 lower gill-rakers; median outer teeth on jaws bicuspid not spatulated, lateral ones conical; inner teeth tricuspid with 3 cuspids equal in young specimens and central cuspid more developed in adults; adults with distinct occipital hump (Ref. 53405).
Adapted to living in fast-flowing rivers with rapids (Ref. 2). Pair-bonding, open substratum spawner, with both parents guarding the brood (Ref. 52307).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 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)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
水族館・水槽: 商業
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=0.01023 (0.00598 - 0.01751), b=2.91 (2.77 - 3.05), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
栄養段階 (Ref.
69278): 2.2 ±0.2 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).
