Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
; স্বাদু পানি সমুদতলে ভাসমান বেনথোপেলাজিক; পোটামোড্রোমাস (Ref. 51243). Tropical; 25°N - 9°N
Asia: Chao Phraya and Mekong basins.
আকৃতি / ওজন / Age
Maturity: Lm ? range ? - ? cm
Max length : 300 cm SL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 2686); common length : 50.0 cm SL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 2073); সবের্াচ্চ প্রকাশিত ওজন : 300.0 kg (Ref. 7432)
Fins are pigmented with dusky melanophores. First soft ray in dorsal, pectoral and pelvic fins prolonged into a filament (Ref. 4792). Broad head; black tips on first few anal-fin rays in individuals of all sizes, particularly in juveniles; palatine and vomerine teeth united into a single long crescentic patch (Ref. 12693). Mouth wide, its width 5.5-5.9 times in SL (Ref. 43281).
Facultative air-breathing (Ref. 126274); Inhabits large rivers. Juveniles are found in larger tributaries (Ref. 58784). Both young and adults feeds on fishes and crustaceans (Ref. 12693). Larger individuals have been known to feed on carcasses of fowl or dog (which are commonly used for bait) (Ref. 7432). A migratory species (Ref. 37772). Spawns just before the rainy season and the young of the year reach a length of about 10 cm by mid-June (Ref. 12693). Fishery used to be accompanied by rites and ceremonies of a religious nature (Ref 2686). Important food fish and is often referred to in textbooks and popular press or news media (Ref. 4537). Marketed fresh (Ref. 12693). Threatened due to over harvesting, habitat loss and pollution (Ref. 58490).
Life cycle and mating behavior
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
Roberts, T.R. and C. Vidthayanon, 1991. Systematic revision of the Asian catfish family Pangasiidae, with biological observations and descriptions of three new species. Proc. Acad. Nat. Sci. Philad. 143:97-144. (Ref. 7432)
IUCN Red List Status (Ref. 130435)
Human uses
মৎস্য: বাণিজ্যিক; এ্যাকুয়াকালচার (জলজ পালন) : বাণিজ্যিক; মৎস্যাধার / এ্যাকুয়ারিয়াম : বাণিজ্যিক
হাতিয়ার
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ইন্টারনেট সুত্র
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 (0.00217 - 0.00962), b=3.09 (2.90 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 4.0 ±0.66 se; based on food items.
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
