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); ordinarius: From the Latin "ordinarius" = common, referring to its generalised appearance (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 53 - 122 m (Ref. 55898). 热带
Africa: endemic to Lake Malawin widely distributed (Ref. 55898).
非洲: 马拉威湖。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 6.7 cm SL 雄鱼/尚未辨别雌雄; (Ref. 55898)
简单描述
型态特徵 | 形态测量图
背棘 (总数): 14 - 15; 背的软条 (总数): 10-11; 臀棘 3; 臀鳍软条: 8 - 9. Diagnosis: head length 34.6-37.3 %SL; snout length 32.7-35.5 % head length; lower jaw length 34.5-38.6 % head length; premaxillary pedicel length 27.3-30.4 % head length; outer oral dentition well-developed bicuspid; 1/1 inner oral tooth rows; lachrymal depth 21.4-23.2 % head length; cheek depth 21.8-24.4 % head length; interorbital width 16.5-20.0 % head length (Ref. 55898).
鉴别: 头长 34.6-37.3% SL; 吻的长度 32.7-35.5% 头长; 下颌长度 34.5-38.6% 头长; 上颌骨前的茎长度 27.3-30.4% 头长; 外部的口部生齿发展良好的二头齿; 1/1个内部的口部齿列; 泪骨深度 21.4-23.2% 头长; 颊的深度 21.8-24.4% 头长; 眼间骨宽度 16.5-20.0% 头长.(参考文献 55898)
描述: 身体背部轮廓强烈中凸; 几乎笔直地的腹面身体轮廓; 头部背面轮廓凸状眼睛上方; 吻轮廓很直; 吻中等大小而尖的; 嘴正常; 口裂於大約 10個 ° 傾向到水平的; 延伸至的顎骨垂直的在眼的前緣; 外部的口部齒長且細的﹐雙尖的或三個尖頭的前面地, 在後部地變成單犬齒; 內部的口部齒小的, 短的與三尖瓣; 在頰上的 2-3個成列的鱗片; 碰觸頭部背面輪廓的眼的上緣; 低的咽頜矮胖的; 沿著有齒區域的中心一系列的增大咽齒; 在下肢短上的鰓耙.(參考文獻 55898)
體色 保護: 雌性與不成熟的雄性: 身體灰土黃色; 在背鰭之下的 6-7 白褐色到褐色縱帶; 背鰭基底白灰色; 背鰭有白色的靠近邊緣的條紋與深灰色的頂端; 灰色的斜紋在軟的背部; 所有的其他鰭灰白的.(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)
人类利用
更多信息
俗名同种异名新陈代谢捕食者生态毒物学繁殖成熟度产卵场产卵群集孕卵数卵卵的发育
年龄范围成长体长-体重体长-体长体长-频率形态测量图型态特徵仔鱼稚鱼动力学入添量丰度BRUVS
参考文献养殖养殖信息品种遗传学Electrophoreses遗传率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.声音神经毒速度泳型鳃区Otoliths脑重体重比眼睛色素
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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): 3.2 ±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).
