Classification / Names
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Siluriformes (Catfishes) >
Pangasiidae (Shark catfishes)
Etymology: Pangasius: The Vietnamese name of a fish (Ref. 45335); mahakamensis: Named for its type locality, Mahakam basin.
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
; स्वच्छ जल, अलवण जल; खारा बेनथोपिलाजिक. Tropical
Asia: endemic to East Kalimantan, Indonesia.
आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 18.2 cm SL पुल्लिंग / अलिंग; (Ref. 46915)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय रीढ़ (सम्पूर्ण) : 1; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 7; गुदा कांटा: 0; ऐनल सौफट रेज़: 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).
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).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
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 Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
मात्स्यिकी: कोई रुचि बग़ैर
साधन
Special reports
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इंटरनेट स्रोत
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=0.00457 (0.00216 - 0.00967), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.6 ±0.27 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).