Crucian carp (Carassius carassius) fish species and information / pictures of Crucian carp - Carassius carassius

Crucian carp (Carassius carassius) fish species information

Scientific Name
Carassius carassius

Common Name
Crucian carp

Biology
Dorsal spines (total): 3 - 4; Dorsal soft rays (total): 13-22; Anal spines: 2 - 3; Anal soft rays: 5 - 7; Vertebrae: 32. Diagnosed from its congeners in Europe by having the following characters: body golden-green shining color; last simple anal and dorsal rays weakly serrated; 23-33 gill rakers; lateral line with 31-36 scales; free edge of dorsal convex; anal fin usually with 6? branched rays; and peritoneum white (Ref. 59043). Caudal fin with 18-20 rays (Ref. 2196). No barbels. The third dorsal and anal-fin rays are strong and serrated posteriorly.

Classification

Classified By
Linnaeus, 1758
Class
Ray-finned fishes (Actinopterygii)
Order
Carps (Cypriniformes)
Family
Minnows or carps (Cyprinidae)

Distribution

Region
Eurasia
Distribution
Eurasia: North, Baltic, White, Barents, Black and Caspian Sea basins; Aegean Sea basin only in Maritza drainage; eastward to Kolyma drainage (Siberia); westward to Rhine and eastern drainages of England. Absent from North Sea basin in Sweden and Norway. In Baltic basin north to about 66?N. Widely introduced to Italy, England and France but possibly often confused with Carassius gibelio (Ref. 59043). At least one country reports adverse ecological impact after introduction.
Range
69°N - 35°N, 10°W - 169°E

Environment

Climate
Temperate
Water Temperature From
2 °C
Water Temperature To
22 °C
Depth From - meters
5 m
Depth To - meters
Unknown m
Zone
demersal
Environment
Freshwater; brackish; demersal; potamodromous (Ref. 51243); depth range 5 - ? m (Ref. 2163)
Trophic Level
3.11 s.e. 0.24 Based on food items.
Occurs in Marine / Salt water
False
Occurs in Brackish water
True
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
True

Physical Size and Genetics

Maximum Length
64.0 cm
Common Length
15.0 cm
Phylogenetic Diversity Index
PD50 = 0.5625 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: highly commercial; aquaculture: commercial; gamefish: yes; aquarium: commercial; bait: occasionally
Vulnerability
High to very high vulnerability (70 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (tm=2)
Threat To Humans
  Potential pest (Ref. 13686)
IUCN Red List Status
  Least Concern (LC)