Classification / Names
Common names from other countries
Main reference
Size / Weight / Age
Max length : 41.0 cm TL male/unsexed; (Ref. 5723); common length : 19.1 cm TL male/unsexed; (Ref. 12193); max. published weight: 2.2 kg (Ref. 4699); max. reported age: 10 years (Ref. 72462)
Environment
Freshwater; benthopelagic; pH range: 7.0 - 7.5; dH range: 10 - 15
Climate / Range
Subtropical; 1°C - 36°C (Ref. 35682), preferred ?; 50°N - 25°N
Distribution
Short description
A dark blue or black "ear" on an extension of the gill cover called the opercular flap; a prominent dark blotch at the base of the dorsal fin, close to the tail; typically olive-green backs, with a blue or purplish sheen along the sides; faint vertical bars may be present along the sides; breeding males may have more blue and orange coloration on their flanks (Ref. 44091).
IUCN Red List Status (Ref. 115185)
Threat to humans
Potential pest
Human uses
Fisheries: minor commercial; aquaculture: commercial; gamefish: yes; aquarium: commercial
Tools
Special reports
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Internet sources
Estimates of some properties based on models
Phylogenetic diversity index
PD50 = 0.5001 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
Trophic Level
3.2 ±0.2 se; Based on diet studies.
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.19-0.23; tmax=11)
Vulnerability
Low to moderate vulnerability (33 of 100)
Price category