分类 / Names
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Teleostei >
Siluriformes (Catfishes) >
Bagridae (Bagrid catfishes)
Etymology: Hemibagrus: Greek, hemi = the half + Mozarabic, bagre, Greek, pagros = a fish, Dentex sp. (Ref. 45335).
More on author: Bleeker.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 溫帶
Asia: Yangtze river, China.
亞洲: 中國長江。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 54.2 cm TL 雄鱼/尚未辨别雌雄; (Ref. 115182); common length : 7.7 cm SL 雄鱼/尚未辨别雌雄; (Ref. 35840); 最大体重: 388.30 g (Ref. 115182)
背棘 (总数) : 2; 背的软条 (总数) : 7; 臀鳍软条: 11 - 13. Gray and brownish body, no spot. Barbels are of different lengths; nasal barbel reaches the middle of the eye, maxillary barbel reaches the base of the pectoral fin, the outer mandibular barbel reaches the gill edge, inner mandibular barbel is shorter than the outer one, but longer than the nasal barbel. Only one chamber in the swimming bladder. Adipose fin starts right behind the dorsal fin, till the base of the caudal fin. Caudal fin is 2/5 of the length of the adipose fin (Ref.33423)
灰色与褐色的身体, 没有斑点。 触须是有不同长度的; 鼻骨触须达到眼的中央, 上颌骨触须达到胸鳍的基底,外部的颚触须达到鳃边缘, 内部的颚触须是短于外面的那一个, 但是长度超过鼻的触须。 在泳鳔中只有一个腔室。 脂鳍在背鳍正后方起始, 直到尾鳍基底。 尾鳍是脂鳍的长度中的 2/5(参考文献 33423)
Oviparous, distinct pairing possibly like other members of the same family (Ref. 205).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
亞洲: 中國長江。
Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628. (Ref. 58032)
人类利用
渔业: 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=0.00851 (0.00683 - 0.01060), b=2.92 (2.86 - 2.98), in cm total length, based on LWR estimates for this species (Ref.
93245).
营养阶层 (Ref.
69278): 3.6 ±0.6 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Assuming Fec < 10,000).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (42 of 100).
