Classification / Names
Common names from other countries
Size / Weight / Age
Max length : 240 cm WD male/unsexed; (Ref. 27732); max. published weight: 600.0 kg (Ref. 6871)
Length at first maturity
Lm ?, range 110 - ? cm
Freshwater; brackish; demersal; potamodromous (Ref. 51243)
Climate / Range
Tropical, preferred ?; 25°N - 20°S
Asia and Oceania: Mekong and Chao Phraya basins; also from eastern Borneo, New Guinea and northern Australia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions
(total): 0. Absence of ventral and dorsal skin folds on the tail, and the broad greyish to blackish marginal band on the ventral surface of the disc. The dorsal surface of the disc is brown (Ref. 27732). Spiral valve with 21 turns; dorsal surface with uniform brown or grey coloration (Ref. 12693). Lacking caudal fin; with long whip-like tail (Ref. 43281).
IUCN Red List Status (Ref. 90363)
Threat to humans
Fisheries: minor commercial; aquaculture: experimental; aquarium: potential
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
3.5 ±0.37 se; Based on food items.
Very Low, minimum population doubling time more than 14 years (Assuming Fec<10)
Very high vulnerability (90 of 100)