分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Pangasiidae (Shark catfishes)
鯰科 (Shark catfishes)
Etymology: Pangasius: The Vietnamese name of a fish (Ref. 45335); mahakamensis: Named for its type locality, Mahakam basin.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水; 半鹹淡水 底中水層性. 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 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 18.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 46915)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 1; 背的軟條 (總數) : 7; 臀棘: 0; 臀鰭軟條: 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). 大的眼直徑 (22.8-29.4% HL). 短下顎觸鬚 (19.6-45.8% HL). 短的前背長度 (30.1-32.7% SL).(參考文獻 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).
小的標本 (比 15 公分更小) 在河三角州中的半淡鹹水被收集而較大的一些被發現於上半部。 沒有植物被發現於淺堆,相當強的水流,深的而且混濁的水。 一個雜食性的魚,主要捕食昆蟲與小的果實。 產卵期未知.(參考文獻 46915)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
人類使用
漁業: 沒有興趣
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基於模型的估計
系統發育多樣性指數 (參考文獻 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). |
營養階層 (參考文獻 69278) |
2.6 ±0.27 se; based on food items. |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (12 of 100). 🛈 |