Scientific Name
Paracottus knerii

Common Name
Stone sculpin

Biology
Found mainly in the littoral zone, occurring exclusively over stone or sand. Spawns near shore at depths not exceeding 1.5 m, from the end of May to mid July. About 600 eggs are deposited under stones during spawning. Spent females move away to deeper waters ; males guard the eggs until the fry stage.

Classification

Classified By

Dybowski, 1874

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Baikal oilfishes (Comephoridae)

Distribution

Region

Europe

Distribution

Europe: Lake Baikal and its tributaries, Gramninskie lakes , the Enisei River and Lake Verkhnyanya Agata in its basin, and lakes in Tuva.

Range

Unknown

Environment

Climate

Boreal

Water Temperature From

4 °C

Water Temperature To

20 °C

Depth From - meters

Unknown m

Depth To - meters

100 m

Zone

benthopelagic

Environment

Freshwater; benthopelagic; depth range ? - 100 m

Trophic Level

3.26 s.e. 0.49 Based on diet studies.

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

14.4 cm

Common Length

8.0 cm

Phylogenetic Diversity Index

PD50 = 1.0020 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Moderate vulnerability (44 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Fec=600; K=0.16; tm=3)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated