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: Oreochromis: Latin, aurum = gold + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
More on author: Trewavas.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水; 汽水性の 底生の漂泳性. Tropical
Africa: Angolan Atlantic coastal rivers (Ref. 120641), including the lower reaches of the Bengo and Quanza (Cuanza) Rivers (Ref. 2, 120641) and lakes and lagoons in their neighbourhood (Ref. 2). Report from the Chiloango (Ref. 120641) unconfirmed in Ref. 81260.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 20.4 cm SL オス/雌雄の選別がない; (Ref. 2)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 15 - 17; 背鰭 (合計) : 11 - 12; 肛門の骨: 3; 臀鰭: 8 - 10; 脊つい: 29. Diagnosis: outer teeth of jaws in females and young males bicuspid except a few lateral unicuspids, but mature males with many unicuspids, until at about 20cm SL nearly all outer teeth are unicuspid and the posterior are enlarged; pharyngeal teeth fine and dense, with blade of lower pharyngeal bone longer than toothed area; 21-26 gill-rakers on lower part of first arch; 29 vertebrae; 15-16, rarely 17 dorsal spines; total dorsal rays 27 or 28; caudal fin not scaly; genital papilla in both sexes complex, in the male elongate, bifid and tasselled; white spots on pelvic fins of mature males and on dorsal, anal and base of caudal in both sexes; dentition and coloration of mature males diagnostic (Ref. 2).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Trewavas, E., 1983. Tilapiine fishes of the genera Sarotherodon, Oreochromis and Danakilia. British Mus. Nat. Hist., London, UK. 583 p. (Ref. 2)
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 = 0.5000 [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).
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 (15 of 100).
