Common names from other countries
分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
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: Valenciennes.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水; 半咸淡水 底中水层性; pH range: 7.0 - 8.2; dH range: 10 - 25; 河川洄游 (Ref. 51243); 深度上下限 5 - ? m (Ref. 27732). 熱帶; 22°C - 25°C (Ref. 2060); 19°N - 6°S
Asia: Mekong, Chao Phraya and Xe Bangfai basins; also from the Malay Peninsula, Sumatra, Java, Borneo.
亞洲: 湄公河，湄南河與 Xe Bangfai 流域; 也從馬來半島，蘇門答臘，爪哇，婆羅洲。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 65.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 30857)
背棘 (总数) : 2; 背的软条 (总数) : 7; 臀棘: 0; 臀鳍软条: 10 - 13. Body color brown often with greenish sheen. Fins gray with violet tint. Pectoral fin spines serrated along the inner edge. Base of adipose fin shorter than that of dorsal fin and about equal to that of anal fin. Barbels four pairs; nasal barbels extending to or beyond eyes, maxillary ones in anal fin, mandibulary ones beyond base of pectoral fins, mental ones 2/3 - 3/4 the distance between their base and insertion of pectoral fins (Ref. 4792). Head flattened rather than conical; rugose skull roof; depressed dorsal fin not reaching adipose fin; pectoral fin smooth in front; 9 branched anal rays (Ref. 12693).
体色褐色时常有呈绿色的光辉。 鳍灰色的有紫罗兰色的色彩。 锯齿状的胸鳍棘沿着内缘。 脂鳍的基底短于那背鳍大约臀鳍等于那。 触须四对; 延伸至的鼻骨触须或超过眼, 在臀鳍中的上颌骨一些, 下颚一些超过胸鳍基底鳍, 神经一些 2/3- 3/4 那他们的基底与胸鳍的嵌入之间的距离.(参考文献 4792) 头部平的了而不是锥形; 多皱纹的头盖骨顶部; 扁平的背鳍不达到脂鳍; 胸鳍平滑的在前面中; 9个分枝的臀鳍鳍条.(参考文献 12693)
Occurs in most habitat types, but most frequent in large muddy rivers, with slow current and soft bottom (Ref. 27732). Enters flooded forest (Ref. 9497). Feeds on exogenous insects, aquatic insect larvae, shrimps, other crustaceans and fishes. Moves into flooded forests to spawn and the young are usually first seen in August. In Tonlé Sap (Cambodia), maximum numbers are found as it returns to rivers in November and December. A highly priced aquarium fish. Usually marketed fresh (Ref. 12693). High in nutritive values especially omega-3 fatty acids (EPA, DHA) (Ref. 53337).
出现于大多数的栖息地类型，但是大部分常见于大的泥泞河中, 且水流和缓的地方与软质底部的.(参考文献 27732) 进入被水淹没的森林。 (参考文献 9497) 吃外生的昆虫，水生的昆虫幼生，虾，其他的甲壳动物和鱼类。 移入被水淹没的森林产卵，而且幼鱼第一个通常被在八月中见到。 在 Tonle Sap(柬埔寨) ，当它在十一月与十二月回到河的时候，最大的数字被发现。 一个价格很高的水族馆鱼。 通常生鲜地在市场上销售。 (参考文献 12693) 高度地在有营养的价值尤其亚米茄-3 脂肪酸 (环保署, 二十二碳六烯酸).(參考文獻 53337)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
亞洲: 湄公河，湄南河與 Xe Bangfai 流域; 也從馬來半島，蘇門答臘，爪哇，婆羅洲。
Rainboth, W.J., 1996. Fishes of the Cambodian Mekong. FAO species identification field guide for fishery purposes. FAO, Rome, 265 p. (Ref. 12693)
CITES (Ref. 128078)
Not Evaluated
人类利用
渔业: 商业性; 养殖: 商业性; 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=0.00912 (0.00729 - 0.01141), b=3.00 (2.94 - 3.06), in cm Total Length, based on LWR estimates for this species (Ref.
93245).
营养阶层 (Ref.
69278): 3.6 ±0.59 se; based on food items.
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (52 of 100).
