Classification / Names
Common names from other countries
Size / Weight / Age
Max length : 28.0 cm SL male/unsexed; (Ref. 59043); common length : 15.0 cm TL male/unsexed; (Ref. 12193)
Freshwater; demersal; depth range 5 - ? m (Ref. 27732)
Climate / Range
Subtropical; 5°C - 25°C (Ref. 2060), preferred ?; 53°N - 27°S
Asia: Native to Siberia (Tugur and Amur drainages), Sakhalin, Korea, Japan, China south to northern Vietnam. Europe: Introduced in several localities in Rhine (Germany) and Ticino (Italy, north of Milano) drainages, Aral Sea basin, North America, Australia and Hawaii.
This species proved successful in the aquarium fish trade and has also been introduced to other countries (Ref. 1739). At least one country reports adverse ecological impact after introduction.
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Dorsal view shows the male with larger pectoral fins and the female with fuller abdomen (Ref. 44091). Body is mottled with darker greenish-gray to dark brown markings, against a yellow-brown to brown color; conspicuous adipose crests along the ventral and dorsal mid-lines of the caudal peduncle; 10 barbels; suborbital spine hidden in the skin (Ref. 27732).
IUCN Red List Status (Ref. 90363)
Threat to humans
Potential pest (Ref. 8923)
Fisheries: commercial; aquaculture: commercial; aquarium: commercial; bait: occasionally
Estimates of some properties based on models
Phylogenetic diversity index
PD50 = 0.5039 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
3.2 ±0.40 se; Based on food items.
Medium, minimum population doubling time 1.4 - 4.4 years (Fec=2000 eggs)
Moderate to high vulnerability (50 of 100)