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: Diplotaxodon: Greek, diploos = twice + Greek, taxis = disposition + Greek, odous = teeth (Ref. 45335).
More on author: Trewavas.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; 深度上下限 34 - 114 m (Ref. 55949). 熱帶; 12°S - 15°S
Africa: south end of Lake Malawi (Ref. 5595, 5628).
非洲: 馬拉威湖的南端的特有種。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 20.4 cm SL 雄鱼/尚未辨别雌雄; (Ref. 55949)
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) : 11 - 13; 臀棘: 3; 臀鳍软条: 10 - 11. Diagnosis: Relatively shallow body with flat dorsal profile; relatively large, upwardly-pointing mouth with strongly protruding lower jaw; large number of gill-rakers (Ref. 55949).
鉴别: 相当浅的身体有平坦的背面轮廓; 相当大的, 朝上的强烈地嘴部具有凸出下颌; 大量的鳃耙.(参考文献 55949)
描述: 一般和非常大的齿与掠食性的面容延长; 眼不 particulary 大的; 吻狭窄的而且相当在轮廓中凹曲, 具有一个突出的上颌骨前的茎; 神经突起中等的到突出的.(参考文献 55949)
体色 雌性与非繁殖雄性有银色的 countershaded 身体, 灰色的背面; 吻深色的; 身体有一个整体的银色光辉; 鳍通常灰色的, 虽然腹鳍可能是白色; 雄性在繁殖方面，服装发育一个較深色的頭部與背面，黑眼珠，吻與鰭; 臀鰭有 1-2 大的黃色 eggspots.(參考文獻 55949)
Found in open water at mostly deep levels, where it can form enormous shoals (Ref. 5595). It is a piscivore that mainly feeds on lake sardine, Engraulicypris sardella (Ref. 5595).
出现于在大部份深的水平开放水域, 在那里它能形成巨大的浅滩。 捕食鱼类, 主要吃湖沙丁鱼， 沙丁鳀波鱼〔Engraulicypris sardella〕 .(参考文献 5595)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
非洲: 馬拉威湖的南端的特有種。
Turner, G.F., R.L. Robinson, P.W. Shaw and G.R. Carvalho, 2004. Identification and biology of Diplotaxodon, Rhamphochromis and Pallidochromis. p.198-251. In Snoeks, J. (ed.) The cichlid diversity of Lake Malawi/Nyasa/Niassa: identification, distribution and taxonomy. Cichlid Press, El Paso, USA, 360p. (Ref. 55949)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
人类利用
渔业: 商业性; 水族馆: 商业性
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 = 0.5078 [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): 4.2 ±0.73 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 (15 of 100).
Nutrients (Ref.
124155): Calcium = 125 [66, 251] mg/100g; Iron = 1.48 [0.83, 2.86] mg/100g; Protein = 18.5 [16.9, 20.0] %; Omega3 = 0.607 [0.214, 1.783] g/100g; Selenium = 72.9 [28.3, 177.9] μg/100g; VitaminA = 109 [25, 378] μg/100g; Zinc = 1.61 [1.07, 2.49] mg/100g (wet weight);
