分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Clariidae (Airbreathing catfishes)
Etymology: Clarias: Greek, chlaros = lively, in reference to the ability of the fish to live for a long time out of water.
More on author: Trewavas.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 熱帶; 20°C - 26°C (Ref. 2060); 18°S - 20°S
Africa: known only from the type locality, Aigumas Cave, North Otavi, Namibia. Major threat is depletion of ground water (Ref. 7248).
非洲: 已知只來自模式標本產地， Aigumas 洞穴，北方的 Otavi ，那米比亞了。 主要的威脅是地下水的消耗。 (參考文獻 7248)
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 16.1 cm SL 雄鱼/尚未辨别雌雄; (Ref. 7248)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 背的软条 (总数) : 71 - 76; 臀鳍软条: 66 - 61. Devoid of pigment. Eyes extremely small; covered with skin; dorsally located. Head rectangular in dorsal outline; snout broadly rounded. Frontal fontanelle long and narrow; occipital fontanelle long and oval-shaped. Supraorbital and `dermosphenotic' bones fused. Premaxillary tooth plate rather broad. gill rakers long, slender and distantly set. Suprabranchial organ greatly reduced. Openings of the secondary sensory canals regularly arranged along flanks.
没有有颜色。 眼非常小; 覆盖着皮肤了; 位于背面。 头部矩形的在背部的轮廓中; 吻宽广地圆的。 额骨囱门长而狭窄的; 后头骨囱门长而椭圆形的。 眶上的与皮蝶骨的' 硬骨融合了。 上颌骨前的齿碟相当宽。 鳃耙长的, 细长的而且远远地竖立。 鳃前的器官非常缩小的。 第二感觉管的开口规则排列的沿着侧面。
Facultative air-breathing (Ref. 126274); Lacks pigment. Lives in caves (Ref. 248) and is adapted to life underground (Ref. 78218); over shelves in open, clear water. Feeds on bat droppings, animal carcasses and terrestrial insects that fall into the lake (Ref. 7248).
缺乏有颜色。 生活在洞穴;(参考文献 248) 在架之上在开放的, 清澈的水域。 吃粪便, 动物残骸与掉入湖的陆栖的昆虫。 (参考文献 7248)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
非洲: 已知只來自模式標本產地， Aigumas 洞穴，北方的 Otavi ，那米比亞了。 主要的威脅是地下水的消耗。 (參考文獻 7248)
Teugels, G.G., 1986. A systematic revision of the African species of the genus Clarias (Pisces; Clariidae). Ann. Mus. R. Afr. Centr., Sci. Zool., 247:199 p. (Ref. 248)
世界自然保护联盟红皮书 (Ref. 130435)
极度濒危 (CR) (B1ab(iii)+2ab(iii)); Date assessed: 01 March 2007
人类利用
渔业: 没有兴趣; 水族馆: 商业性
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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=0.00776 (0.00343 - 0.01757), b=2.97 (2.79 - 3.15), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 2.8 ±0.26 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 (Assuming tm=1; Fec=50).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
