分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶
Africa: River Ruo and several of its tributaries above Zoa Falls in Malawi.
非洲: 在馬拉威的在 Zoa 瀑布上面的河 Ruo 與一些它的支流。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 24.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 33082); 最大体重: 400.00 g (Ref. 33082)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 12 - 13; 臀鳍软条: 8 - 9. Its dark olive dorsal surface and light golden ventral surface are sharply divided at the lower edge of the lateral line scale row. Its has relatively narrow mouth without barbels or with one pair of minute posterior barbels. The unbranched dorsal ray is flexible.
它的深色橄榄色背面与淡金色的腹面锐利地在侧线鳞片列的下面边缘被分开。 它的有相当没有触须的狭窄的嘴或和一对细小的在后部的触须。 不分枝的背鳍鳍条是柔韧有弹性的。
Occurs in fast flowing stretches of river and deeper pools. Common particularly in rocky pools. Feeds by scraping algae off rocks with its horny lower jaw. Varicorhinus xyrocheilus occurs sympatrically and syntopically with V. dimidiatus.
出现于快速地流动河与较深的水池的支流。 普遍的特别地在岩石的水池中。 刮食藻类外海的岩石用它的角下颌。 Varicorhinus xyrocheilus 分布区重叠而且有邻接关系 V. dimidiatus 。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
非洲: 在馬拉威的在 Zoa 瀑布上面的河 Ruo 與一些它的支流。
Tweddle, D. and P.H. Skelton, 1998. Two new species of Varicorhinus (Teleostei: Cyprinidae) from the Ruo River, Malawi, Africa, with a review of other southern African Varicorhinus species. Ichthyol. Explor. Freshwat. 8(4):369-384. (Ref. 33082)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
人类利用
渔业: 没有兴趣
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=0.00955 (0.00430 - 0.02123), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 2.0 ±0.00 se; based on food items.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
