分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cichliformes (Cichlids, convict blennies)
鱸形目 (Cichlids, convict blennies) >
Cichlidae (Cichlids)
麗魚科 (Cichlids) > Ptychochrominae
Etymology: Ptychochromis: Greek, ptyx, = fold + Greek, chromis = a fish, perhaps a perch (Ref. 45335); onilahy: Named after the basin in which the types were collected (Ref. 57663).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 热带
Africa: Madagascar.
非洲: 马达加斯加.(参考文献 57663)
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 8.6 cm SL 雄鱼/尚未辨别雌雄; (Ref. 57663)
背棘 (总数) : 13; 背的软条 (总数) : 12; 臀棘: 3; 臀鳍软条: 8 - 9; 脊椎骨: 26 - 27. It is distinguished from all congeners by the presence of a lachrymal plate that extends ventrally to cover a portion of the upper lip (Ref. 57663). Body deep and laterally compressed (Ref. 57663). Two inner rows of teeth in both upper and lower jaws (Ref. 57663). It has cycloid scales above the upper lateral line on the flanks (Ref. 57663). In life, adults are uniformly gray brown, paler ventrally and lacking any obvious body markings (Ref. 57663). In preservative, the ground coloration is brownish to golden-brown, lighter ventrally, and all fins are brownish (Ref. 57663).
它是藉由与所有的同类区分有一个腹地延伸的泪骨碟覆盖上嘴唇的部分.(参考文献 57663) 身体纵深而侧扁的.(参考文献 57663) 二个内部的列齿在上颌与下颌中。 (参考文献 57663) 在侧面上它有在上面的侧线上面的圆形鳞片。 (参考文献 57663) 活着时，成鱼是均匀灰色的褐色，腹侧灰白而缺乏任何的明显身体斑纹。 (参考文献 57663) 在标本保存状态下，土地的颜色是褐色的到金褐色的﹐腹部颜色较淡﹐与所有的鳍是褐色的。 (参考文献 57663)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
非洲: 马达加斯加.(参考文献 57663)
Stiassny, M.L.J. and J.S. Sparks, 2006. Phylogeny and taxonomic revision of the endemic Malagasy genus Ptychochromis (Teleostei: Cichlidae), with the description of five new species and a diagnosis for Katria, new genus. Am. Mus. Novit. 3535:1-55. (Ref. 57663)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.3 ±0.3 se; based on size and trophs of closest relatives
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).
