Rudd (Scardinius erythrophthalmus) fish species and information / pictures of Rudd - Scardinius erythrophthalmus

Rudd (Scardinius erythrophthalmus) fish species information

Scientific Name
Scardinius erythrophthalmus

Common Name
Rudd

Biology
Occurs mainly in nutrient-rich, well vegetated lowland rivers, backwaters, oxbows, ponds and lakes. Feeds mainly on plankton, terrestrial insects and plant material. Breeds on roots or submerged plants. Can adapt to unfavorable environmental condition (Ref. 59043). Colorless or pale yellow eggs are found attached to vegetation in shallow water (Ref. 41678). Consumed fresh (Ref. 30578). Threatened due to the introduction of other species (Ref. 26100).

Classification

Classified By

Linnaeus, 1758

Class

Ray-finned fishes (Actinopterygii)

Order

Carps (Cypriniformes)

Family

Minnows or carps (Cyprinidae)

Distribution

Region

Eurasia

Distribution

Eurasia: Most European rivers north of Pyrenees and Alps, eastward to Ural and Eya drainages, Aral and White Sea basins; Black Sea basin in Europe and northern Asia Minor. Naturally absent from Iberian Peninsula, Adriatic basin, Italy, Greece south of Pinios drainage, Great Britain north of 54 N, Ireland and Scandinavia north of 62? N (Ref. 59043). Definitely absent in Siberia. Reports from this area arose from the confusion between the rudd and the roach (Ref. 1441). Introduced to several countries. Several countries report adverse ecological impact after introduction (Ref. 1739).

Range

62°N - 36°N, 10°W - 70°E

Environment

Climate

Temperate

Water Temperature From

2 °C

Water Temperature To

22 °C

Depth From - meters

0 m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; brackish; ; pH range: 7.0 - 7.5; dH range: 10 - 15 benthopelagic; potamodromous (Ref. 51243); depth range 0 - ? m

Trophic Level

2.89 s.e. 0.39 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

51.0 cm

Common Length

20.0 cm

Phylogenetic Diversity Index

PD50 = 0.5010 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial; aquaculture: commercial; gamefish: yes; aquarium: commercial; bait: usually

Vulnerability

High to very high vulnerability (67 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (K=0.09-0.18; tm=3-4; tmax=19)

Threat To Humans

Potential pest (Ref. 52336)

IUCN Red List Status

Least Concern (LC)