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)