Classification / Names
Common names from other countries
Main reference
Size / Weight / Age
Max length : 65.0 cm SL male/unsexed; (Ref. 30857)
Environment
Freshwater; brackish; benthopelagic; pH range: 7.0 - 8.2; dH range: 10 - 25; potamodromous (Ref. 51243); depth range 5 - ? m (Ref. 27732)
Climate / Range
Tropical; 22°C - 25°C (Ref. 2060), preferred ?; 19°N - 6°S
Distribution
Short description
Dorsal
spines
(total): 2;
Dorsal
soft rays
(total): 7;
Anal
spines: 0;
Anal
soft rays: 10 - 13. Body color brown often with greenish sheen. Fins gray with violet tint. Pectoral fin spines serrated along the inner edge. Base of adipose fin shorter than that of dorsal fin and about equal to that of anal fin. Barbels four pairs; nasal barbels extending to or beyond eyes, maxillary ones in anal fin, mandibulary ones beyond base of pectoral fins, mental ones 2/3 - 3/4 the distance between their base and insertion of pectoral fins (Ref. 4792). Head flattened rather than conical; rugose skull roof; depressed dorsal fin not reaching adipose fin; pectoral fin smooth in front; 9 branched anal rays (Ref. 12693).
IUCN Red List Status (Ref. 115185)
Threat to humans
Harmless
Human uses
Fisheries: commercial; aquaculture: commercial; aquarium: commercial
More information
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Tools
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Internet sources
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)
Trophic Level
3.6 ±0.59 se; Based on food items.
Resilience
Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.)
Vulnerability
High to very high vulnerability (66 of 100)
Price category