Common names from other countries
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: Placidochromis: Latin, placidus = of peaceful or tranquile appearance + Greek, chromis = a fish, perhaps a perch (Ref. 45335); hennydaviesae: Named after Henny Davies, wife of Peter Davies, former exporter of aquarium fish from Malawi (Ref. 55898).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的; 深度上下限 71 - 100 m (Ref. 55898). 熱帶; 12°S - 15°S
Africa: Endemic to Lake Malawi. Occurs in the southern part of the lake.
非洲: 馬拉威湖的特有種。 出現於湖的南部。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 4994)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 14 - 15; 背的软条 (总数) : 9 - 10; 臀棘: 3; 臀鳍软条: 8 - 9. Diagnosis: lower jaw length 40.9-46.5 % head length; premaxillary pedicel 26.8-31.3 % head length; body depth 32.8-35.7 %SL; outer oral jaw teeth tricuspid; cheek depth 20.0-23.5 % head length; interorbital width 20.0-22.4 % head length; head width 41.6-44.5 % head length (Ref. 55898).
鉴别: 下颌长度 40.9-46.5% 头长; 上颌骨前的茎 26.8-31.3% 头长; 体高 32.8-35.7% SL; 外部的口部颌齿三尖瓣; 颊的深度 20.0-23.5% 头长; 眼间骨宽度 20.0-22.4% 头长; 头部宽度 41.6-44.5% 头长.(参考文献 55898)
描述: 相当小的具有正常的体型; 腹面身体轮廓些微中凸, 几乎直的; 头部相当大的; 吻尖而有角的; 嘴大的; 口裂在超过 20个 ° 倾向了到水平的; 延伸的颚骨越过垂直的在眼的前缘; 眼大的, 碰触头部背面輪廓的眼的上緣; 外部的口部齒三尖瓣, 一些單犬齒的在後部地; 內部的口部齒三尖瓣與單犬齒的; 在頰上的 2-3個成列的鱗片; 低的咽頜正常在外形上, 所有的齒小而細長的; 在角鰓骨短的較下面的部位上的鰓耙但是細長的, 在上半部上長且細的, 多數深深地分岔.(參考文獻 55898)
體色 保護了成熟的雄性: 身體黃褐色的; 在背鰭之下的 6個深色的縱帶; 吻,下巴與腹面深色的; 背鰭有寬的灰色條紋, 白色的垂部與頂端; 軟的背鰭有 2 斜角灰色的條紋; 尾鰭有深色的靠近邊緣的; 臀鰭與腹鰭有深色的前緣。 (參考文獻 55898)
Inhabits areas with a muddy floor covered with a thick layer of sedimentary diatoms; feeds on planktonic invertebrates as well as insect larvae found in the substrate (Ref. 5595).
栖息于有被覆盖着沈渣硅藻的厚层的一个泥泞的底部的区域; 吃浮游性无脊椎动物,以及昆虫幼生发现于底部了。 (参考文献 5595)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
非洲: 馬拉威湖的特有種。 出現於湖的南部。
Maréchal, C., 1991. Placidochromis. p. 378-380. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref. 4994)
CITES (Ref. 128078)
Not Evaluated
人类利用
渔业: 商业性; 水族馆: 商业性
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特别资料
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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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.3 ±0.43 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).