分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Orthochromis: Greek, ortho = straight + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 25°C - 26°C
Africa: rapids at the exit of Pool Malebo (Ref. 26626), and the Lindi (Ref. 26626, 106290), Wagenia Falls (Ref. 26626, 106245), Lualaba basin and Lake Mweru (Ref. 26626), in Democratic Republic of the Congo.
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 10.2 cm TL 雄鱼/尚未辨别雌雄; (Ref. 42183)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 16 - 21; 背的软条 (总数) : 9; 臀棘: 3; 臀鳍软条: 6 - 8; 脊椎骨: 27 - 30.
Rheophilic; mainly feeds on algae and aufwuchs, animal matter is rarely taken; polygamous, ovophilic, maternal mouthbrooder (Ref. 52307).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
Greenwood, H.P. and S.O. Kullander, 1994. A taxonomic review and redescription of Tilapia polyacanthus and T. stormsi (Teleostei: Cichlidae), with descriptions of two new Schwetzochromis species from the Upper Zaire River drainage. Ichthyol. Explor. Freshwat. 5(2):161-180. (Ref. 26626)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [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).
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).