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); turneri: Named in honour of Dr. George Turner, who has been working on the ecology, ethology, taxonomy and evolution of Lake Malawi cichlids for almost two decades (Ref. 55898).
Eponymy: George Turner, Bangor University (Wales), has worked extensively on the fishes and fisheries of lakes Malawi and Lalombe. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; 深度上下限 50 - 75 m (Ref. 55898). 热带
Africa: endemic to Lake Malawi, present in Tanzania and Malawi (Ref. 55898).
非洲: 坦尚尼亚与马拉威。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 8.6 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) : 16 - 17; 背的软条 (总数) : 9 - 11; 臀棘: 3; 臀鳍软条: 8 - 9. Diagnosis: head length 35.5-37.2 %SL; snout length 31.7-36.3 % head length; lower jaw length 32.8-36.4 % head length; outer oral dentition well developed bicuspid; 2/2 inner oral tooth rows; premaxillary pedicel length 24.1-28.1 % head length; gape inclined at about 15° to horizontal; cheek depth 21.9-24.7 % head length; lachrymal depth 18.3-22.0 % head length; interorbital width 18.8-21.7 % head length; eye diameter 31.8-35.8 % head length; predorsal distance 37.8-40.2 %SL; body depth 36.0-38.5 %SL (Ref. 55898).
鉴别: 头长 35.5-37.2% SL; 吻的长度 31.7-36.3% 头长; 下颌长度 32.8-36.4% 头长; 外部的口部生齿发展良好的二头齿; 2/2个内部的口部齿列; 上颌骨前的茎长度 24.1-28.1% 头长; 口裂于大约 15个 ° 倾向到水平的; 颊的深度 21.9-24.7% 头长; 泪骨深度 18.3-22.0% 头长; 眼间骨宽度 18.8-21.7% 头长; 眼直径 31.8-35.8% 头长; 前背的距离 37.8-40.2% SL; 体高 36.0-38.5% SL.(參考文獻 55898)
描述: 身體背部輪廓更強烈中凸超過腹的身體輪廓; 幾乎筆直地的吻輪廓; 吻正常在大的個體中到鈍的在小的標本中; 嘴小的; 延伸至的顎骨垂直的在眼的前緣; 外部的口部生齒二頭齒, 在後部地變成單犬齒, 齒相當短的; 內部的口部齒三尖瓣; 既外部的且內部的口部牙齒有深色的冠; 在頰上的 3個成列的鱗片; 低的咽頜矮胖的; 中央牙齒在被增大到的咽骨臼齒型; 在下肢上的鰓耙短與矮胖的, 一些分枝.(參考文獻 55898)
體色 保護: 雌性與不成熟的雄性: 身體黃褐色的; 在背鰭之下的 7個模糊的縱帶; 背鰭白灰色有白色的頂端; 灰色的斑點軟的之上背部的; 所有的其他鰭灰白的.(參考文獻 55898) 成熟的雄魚: 身體褐色; 縱帶深褐色的, 不明顯特徵是所有的標本; 後頸，吻與下巴深褐色的到黑色的; 背鰭深灰色的有白色的頂端; 軟的背部深灰色的沒有斑點或斑紋; 尾鰭與臀鰭深灰色的; 腹面鰭灰色的有深色的前緣.(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: 坦尚尼亚与马拉威。
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)
人类利用
工具
特别资料
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网络资源
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).
