Common names from other countries
分类 / Names
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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: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 熱帶; 3°N - 2°N
Africa: Nyong (Ref. 81644), Kribi and Lobi/Lobe (Ref. 248, 78218, 81644) in Cameroon, Ntem River in Cameroon (Ref. 248, 78218, 81644), Equatorial Guinea (Ref. 248, 78218) and Gabon (Ref. 81644), and the Ogooué in Gabon (Ref. 81644). Reports from the Sanaga and Dja in Cameroon (Ref. 51193) questionable and unconfirmed in Ref. 248 or 78218, but a collection point is present on the distribution map in Ref. 81644.
非洲: 在喀麥隆南方部的 Kribi , Lobi 與 Ntem 河。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 22.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3820)
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) : 74 - 85; 臀鳍软条: 61 - 71; 脊椎骨: 60 - 63. Diagnosis: body extremely elongate (depth 9.3-13.3% SL, mean 11.0); 9-12 rakers on first gill arch (Ref. 81644). Head rounded in dorsal outline (Ref. 248), rather short (HL 18.3-22.8% SL, mean 20.2) and wide (width 14.1-17.0% SL, mean 15.4)(Ref. 81644). Snout broadly rounded (Ref. 248). Eyes small and laterally placed (Ref. 248). Interorbital width large (45.4-50.7% HL, mean 47.7)(Ref. 81644). Postorbital margin not entirely covered with bone; frontal fontanelle long and narrow; occipital fontanelle long and oval-shaped; supra-orbital and "dermosphenotic" bones separated; tooth plates relatively broad; pectoral spine straight (Ref. 248). Pectoral spine slightly serrate on its anterior face, with serrations downward oriented (Ref. 248, 81644). Gill rakers relatively long and distantly set; suprabranchial organ well developed (Ref. 248). Openings of secondary sensory canals show a regular pattern (Ref. 248, 81644).
Coloration: preserved specimens with uniform colouration; back, flanks and upper parts of paired fins dark brown to reddish brown; ventrum and lower parts of paired fins pale brown to beige (Ref. 81644).
头部在背部的轮廓中圆的; 吻宽广地圆的; 眼小的而且侧面地放置。 眼眶后的边缘不完全地覆盖着硬骨了。 额骨囱门长而狭窄的; 后头骨囱门长而椭圆形的。 上眼眶的与皮蝶骨的' 硬骨分开。 齿板相当宽的。 胸棘直线; 外部的侧边有小的在整个的长度上的向下锯齿。 鳃耙相当长的而且远远地竖立。 鳃前的器官发展良好的。 第二感觉管的开口显示一个普通的型态。
Facultative air-breathing (Ref. 126274); Practically nothing is known about the biology of this species (Ref. 78218).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
非洲: 在喀麥隆南方部的 Kribi , Lobi 與 Ntem 河。
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)
CITES (Ref. 128078)
Not Evaluated
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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): 3.4 ±0.5 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 (13 of 100).