分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Pangasiidae (Shark catfishes)
Etymology: Pangasius: The Vietnamese name of a fish (Ref. 45335); mahakamensis: Named for its type locality, Mahakam basin.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水; 半咸淡水 底中水层性. 熱帶
Asia: endemic to East Kalimantan, Indonesia.
亞洲: 加里曼丹東部,印尼的特有種。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 18.2 cm SL 雄鱼/尚未辨别雌雄; (Ref. 46915)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 1; 背的软条 (总数) : 7; 臀棘: 0; 臀鳍软条: 27 - 32. Short caudal peduncle (14-16.7% SL). Large eye diameter (22.8-29.4% HL). Short mandibulary barbel (19.6-45.8% HL). Short predorsal length (30.1-32.7% SL) (Ref. 46915).
Body shape (shape guide): elongated; Cross section: circular.
短尾柄 (14-16.7% SL). 大的眼直径 (22.8-29.4% HL). 短下颚触须 (19.6-45.8% HL). 短的前背长度 (30.1-32.7% SL).(参考文献 46915)
Facultative air-breathing (Ref. 126274); Small specimens (smaller than 15 cm) were collected in brackish water in the river delta, while larger ones were found in the upper part. No vegetation were found at the banks, relatively strong current, deep and turbid water. An omnivorous fish, feeding mainly on insects and small fruits. Spawning periods unknown (Ref. 46915).
小的标本 (比 15 公分更小) 在河三角州中的半淡咸水被收集而较大的一些被发现于上半部。 没有植物被发现于浅堆,相当强的水流,深的而且浑浊的水。 一个杂食性的鱼,主要捕食昆虫与小的果实。 产卵期未知.(参考文献 46915)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
亞洲: 加里曼丹東部,印尼的特有種。
Pouyaud, L., R. Gustiano and G.G. Teugels, 2002. Systematic revision of Pangasius polyuranodon (Siluriformes, Pangasiidae) with description of two new species. Cybium 26(4):243-252. (Ref. 46915)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 没有兴趣
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特别资料
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基于模型的估算
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00457 (0.00216 - 0.00967), b=3.09 (2.90 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
2.6 ±0.27 se; based on food items. |
渔业脆弱性 (Ref. 59153) |
Low vulnerability (12 of 100). 🛈 |