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); acuticeps: From the Latin "acutus" = sharp, pointed, and the suffix "-ceps" = head, referring to its angular, pointed head shape (Ref. 55898).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 热带
Africa: endemic to Lake Malawi, only known from Mvunguti in Malawi (Ref. 55898).
非洲: 在马拉威的马拉威湖。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 10.3 cm SL 雄鱼/尚未辨别雌雄; (Ref. 55898)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 15 - 16; 背的软条 (总数) : 9 - 11; 臀棘: 3; 臀鳍软条: 9 - 10. Diagnosis: head width 36.6-40.0 % head length; body depth 33.5-36.1 %SL; snout length 29.8-33.6 head length; lower jaw length 38.6-44.0 % head length; outer oral dentition well developed, tricuspid or bicuspid; premaxillary pedicel length 24.6-26.9 % head length; cheek depth 16.8-20.3 % head length; interorbital length 17.6-19.4 % head length; interorbital width 44.1-51.6 % head width (Ref. 55898).
鉴别: 头部宽度 36.6-40.0% 头长; 体高 33.5-36.1% SL; 吻的长度 29.8-33.6个头长; 下颌长度 38.6-44.0% 头长; 外部的口部生齿发展良好的,三尖瓣或二头齿; 上颌骨前的茎长度 24.6-26.9% 头长; 颊的深度 16.8-20.3% 头长; 眼间骨长度 17.6-19.4% 头长; 眼间骨宽度 44.1-51.6% 头部宽度.(参考文献 55898)
描述: 身体背部轮廓几乎笔直地的强烈中凸又腹的身体轮廓; 头部背面轮廓凸状眼睛上方,在眼之间凹曲; 吻長的; 上頜骨前的莖突出的, 提供嘴巴正在凸出的印象; 嘴與下頜大的; 口裂於大約 10個 ° 傾向到水平的; 延伸至的顎骨垂直的在眼窩的前緣; 外部而內部的口部齒三尖瓣; 在頰上的 2-3個成列的鱗片; 眼大的; 碰觸頭部背面輪廓的眼的上緣; 低的咽頜長且細的; 所有的咽齒小的﹐細長的﹐和側扁的.(參考文獻 55898)
體色 保護: 雌性與不成熟的雄性: 身體灰白的銀黃色的; 沒有在身體上的清澈的斑紋; 尾鰭有深色的後緣。 (參考文獻 55898) 成熟的雄魚: 比較深色的, 頭部與身體的背部部份褐色的; 鰓蓋薄膜深色的; 腹面有金的光輝; 在背鰭之下的 6個寬的縱帶; 背鰭深灰色的有白色的頂端; 寬的斜紋軟的之上背部的; 尾鰭深灰色的; 臀鰭深灰色的有狹窄的黑色前緣; 胸鰭深色且有黑色的前緣。 (參考文獻 55898)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
非洲: 在马拉威的马拉威湖。
Hanssens, M., 2004. The deep-water Placidochromis species. p. 104-197. In J. Snoeks (ed.) The cichlid diversity of Lake Malawi/Nyasa/Niassa: identification, distribution and taxonomy. Cichlid Press, El Paso, USA. (Ref. 55898)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
人类利用
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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 ±0.4 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).