分类 / 名称
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.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 底中水层性; 深度上下限 2 - 3 m (Ref. 58018). 熱帶
Africa: Lake Malawi.
非洲: 馬拉威湖。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 12.1 cm SL 雄鱼/尚未辨别雌雄; (Ref. 27597)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 16 - 17; 背的软条 (总数) : 10 - 12; 臀鳍软条: 8 - 9. Diagnosis: 10-12 gill rakers on outer ceratobranchial (Ref. 27597, 57549), 4-5 on outer epibranchial (Ref. 27597). No yellow ocelli on anal fin of females and non-breeding males; breeding male with black markings in caudal fin; teeth in outer rows on dentary and premaxilla of mature males small and bicuspid (Ref. 57549).
外角鳃骨上的鳃耙 10-12; 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)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Male builds cone-shaped bowers in breeding arenas over sand at 3-7 m deep.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 2025-2 (Global))
临近濒危 (NT) (B1a+2a); Date assessed: 09 June 2018
人类利用
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基于模型的估算
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.4 ±0.45 se; based on food items. |
回复力 (参考文献 120179) |
高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.). |
渔业脆弱性 (Ref. 59153) |
Low vulnerability (17 of 100). 🛈 |