分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Anabantiformes (Gouramies, snakeheads)
鱸形目 (Gouramies, snakeheads) >
Channidae (Snakeheads)
鱧科 (Snakeheads)
Etymology: Parachanna: Greek, para = the side of + Greek, channe, -es = anchovy (Ref. 45335).
More on author: Steindachner.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶; 25°C - 28°C (Ref. 2060)
Africa: south Benin (lower Ouémé River) to Nigeria (lower Cross River)(Ref. 57290, 81648). Reports from Cameroon (Ref. 3575, 51193) unconfirmed and questionable (Ref. 57290, 81648). Report from Gabon dubious (Ref. 81648).
非洲: 貝南南方部 (Oueme 河下游) 到奈及利亞 (十字河下游). 也已知來自喀麥隆。 (參考文獻 3575)
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 32.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 81648)
背棘 (总数) : 0; 背的软条 (总数) : 45 - 48; 臀棘: 0; 臀鳍软条: 32 - 35. Diagnosis: body elongate, tapering backwards; lateral-line scales medium-sized, numbering 73-83; head depressed anteriorly and covered with larger scales; lower jaw slightly longer than upper, with 3-4 well developed canines; dorsal and anal fins not touching caudal fin; dorsal fin with 45-48, anal with 32-35 rays; 8-11 chevron-shaped dark bars on sides (Ref. 57290, 81648).
Coloration: body light to dark grey, back and top of head darker, underside lighter; dark lateral band on head, broadening between hind margin of eye and hind margin of gill cover, followed by a large, rounded, black spot; small, rounded black spot at base of caudal fin; all fins covered with small dark spots forming more or less distinct oblique bands; ground colour of juveniles ochre, and a long, black lateral band extending from tip of snout to hind margin of caudal fin (Ref. 57290, 81648).
Obligate air-breathing (Ref. 126274); Maximum SL reported is 17.2 cm (Ref. 57290).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
The eggs of this species float to the with floating plants covered surface where they are guarded by the male.非洲: 貝南南方部 (Oueme 河下游) 到奈及利亞 (十字河下游). 也已知來自喀麥隆。 (參考文獻 3575)
Teugels, G.G., 2003. Channidae. p. 443-446 In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, Tome 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57290)
人类利用
渔业: 商业性
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特别资料
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00396 - 0.01326), b=3.01 (2.85 - 3.17), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 3.8 ±0.6 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 (22 of 100).
Nutrients (Ref.
124155): Calcium = 121 [59, 236] mg/100g; Iron = 1.02 [0.49, 1.92] mg/100g; Protein = 18.2 [16.5, 20.1] %; Omega3 = 0.271 [0.107, 0.695] g/100g; Selenium = 54.8 [19.9, 144.0] μg/100g; VitaminA = 68.4 [20.2, 219.4] μg/100g; Zinc = 1.52 [1.01, 2.32] mg/100g (wet weight);
