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); minutus: From the Latin "minutus" = small, referring to its small size (Ref. 55898).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; 深度上下限 112 - 114 m (Ref. 55898). 热带
Africa: endemic to Lake Malawi, only known from Nkhotakota in Malawi (Ref. 55898).
非洲: 马拉威。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 6.1 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; 背的软条 (总数) : 10; 臀棘: 3; 臀鳍软条: 9. Diagnosis: head length 38.8 %SL; body depth 36.4 %SL; 24 gill-rakers on lower limb; snout length 28.9 % head length; lower jaw length 43.0 % head length; 2/2 inner oral tooth rows; premaxillary pedicel length 31.9 % head length; relatively narrow interorbital, 41.7 % head length; lachrymal length 18.3 % head length; cheek depth 19.1 % head length; interorbital width 17.0 % head length; predorsal distance 41.3 %SL (Ref. 55898).
鉴别: 头长 38.8% SL; 体高 36.4% SL; 在下肢上的 24个鳃耙; 吻的长度 28.9% 头长; 下颌长度 43.0% 头长; 2/2个内部的口部齿列; 上颌骨前的茎长度 31.9% 头长; 相当狭窄的眼间骨, 41.7% 头长; 泪骨长度 18.3% 头长; 颊的深度 19.1% 头长; 眼间骨宽度 17.0% 头长; 前背的距离 41.3% SL.(参考文献 55898)
描述: 小的种; 吻尖的; 嘴相当大的; 口裂于大约 20个 ° 倾向到水平的; 延伸的颚骨越过垂直的在眼的前緣; 外部的口部齒小的, 三尖瓣或肩負了二頭齒; 內部的口部齒單犬齒的; 在頰上的 2 列鱗片; 眼大的; 碰觸頭部背面輪廓的眼的上緣; 在外形上的低咽的頜正常; 所有的咽齒小的, 細長的而且濃密地包裝; 鰓耙相當長且細的.(參考文獻 55898)
體色 保護: 身體灰白的淡黃色的; 在背鰭之下的 6-7 非常模糊的縱帶; 吻深色的略灰色的; 所有的鰭白黃色的; 在基底, 白色的靠近邊緣的條紋與較深色的垂部的背鰭有白灰色條紋.(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: 马拉威。
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 2024-1)
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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=0.01445 (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): 3.2 ±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).
