Classification / Names
Common names from other countries
Main reference
Size / Weight / Age
Max length : 48.0 cm TL male/unsexed; (Ref. 27549); common length : 10.0 cm TL male/unsexed; (Ref. 9987); max. reported age: 41 years (Ref. 72468)
Environment
Freshwater; benthopelagic; pH range: 6.0 - 8.0; dH range: 5 - 19; potamodromous (Ref. 51243); depth range 0 - 20 m (Ref. 6898)
Climate / Range
Subtropical; ? - 41°C (Ref. 35682), preferred ?; 53°N - 22°N
Distribution
Short description
Dorsal
spines
(total): 3 - 4;
Dorsal
soft rays
(total): 14-20;
Anal
spines: 2-3;
Anal
soft rays: 4 - 7;
Vertebrae: 30. Body stout, thick-set, caudal peduncle thick and short (Ref. 1998). Head without scales (Ref. 39167, 1998), broadly triangular (Ref. 1998), interorbital space broad, snout longer than eye diameter, maxillary reaching posterior nostril or not quite to eye (Ref. 39166), barbels lacking on upper jaw (Ref. 39104, 1998). Lateral line complete. Dorsal and anal fins with serrate bony spines, pelvic fins short, broad and thoracic. Nuptial tubercles of male fine, on opercle, sometimes on back and a few on pectoral fins. Hybridize readily with carp, hybrids intermediate in most characteristics (Ref. 1998). Caudal fin with 17-19 rays (Ref. 2196). Last simple anal ray osseous and serrated posteriorly; no barbels (Ref. 43281). Pigmentation: Wild-caught specimens, olive brown (Ref. 39168, 39104), slate olive, olive green, with a bronze sheen (Ref. 39104), silvery, grayish yellowish, gray-silver (Ref. 39169), through gold (often with black blotches) to creamy white (Ref. 1998); yellowish white or white below. Cultured forms vary through scarlet, red-pink, silver, brown, white, black and combinations of these colors (Ref. 39104).
IUCN Red List Status (Ref. 115185)
Threat to humans
Potential pest
Human uses
Fisheries: commercial; aquaculture: commercial; gamefish: yes; aquarium: highly commercial; bait: occasionally
Tools
Special reports
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Internet sources
Estimates of some properties based on models
Phylogenetic diversity index
PD50 = 0.5312 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
Trophic Level
2.0 ±0.0 se; Based on diet studies.
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.17; tm=1; tmax=30)
Vulnerability
Low vulnerability (24 of 100)
Price category