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) > Pseudocrenilabrinae
Etymology: Mchenga: Name from Chichewa, the indigenous language of Malawi; mchenga (sand), was chosen to indicate the type of bowers constructed by the members of this genus. Gender is feminine.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; 深度上下限 10 - 15 m (Ref. 58018). 熱帶
Africa: Lake Malawi.
非洲: 馬拉威湖。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 7.8 cm SL 雄鱼/尚未辨别雌雄; (Ref. 27597)
背棘 (总数) : 16 - 17; 背的软条 (总数) : 10 - 12; 臀鳍软条: 9. Diagnosis: yellow ocelli on anal fin of females and non-breeding males; juveniles and females with hyaline fins; breeding male without black markings in caudal fin (Ref. 57549). 10-16 gill rakers on first ceratobranchial (Ref. 57549), 4-5 on epibranchial (Ref. 27597). Teeth in outer rows on dentary and premaxilla of mature males small and bicuspid (Ref. 57549).
外角鳃骨上的鳃耙 11-13; 外上鳃骨上的鳃耙 4-5.
Forages in the water column, feeding mainly on zooplankton (Ref. 27597).
在水团觅食, 主要捕食浮游动物.(参考文献 27597)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Male builds cone-shaped bowers in breeding arenas on the rock/sand interface at water depths of 15-25 m.非洲: 馬拉威湖。
Stauffer, J.R. Jr., T.J. LoVullo and K.R. McKaye, 1993. Three new sand-dwelling cichlids from Lake Malawi, Africa, with a discussion of the status of the genus Copadichormis (Teleostei: Cichlidae). Copeia 1993(4):1017-1027. (Ref. 27597)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00674 - 0.03099), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.45 se; based on food items.
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).
