Scientific Name
Cottocomephorus grewingkii

Common Name
Baikal yellowfin

Biology
Dorsal spines (total): 7 - 9; Dorsal soft rays (total): 17-20; Anal spines: 0; Anal soft rays: 19 - 22

Classification

Classified By

Dybowski, 1874

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Baikal oilfishes (Comephoridae)

Distribution

Region

Former USSR

Distribution

Former USSR: Endemic to Lake Baikal and its tributaries. Occurs virtually in all regions of the open part of Lake Baikal. Also found in the Angara (as far as the mouth) and in the Irkut; enters the estuaries of the rivers falling into Baikal.

Range

55°N - 50°N

Environment

Climate

Boreal

Water Temperature From

4 °C

Water Temperature To

20 °C

Depth From - meters

20 m

Depth To - meters

300 m

Zone

benthopelagic

Environment

Freshwater; brackish; benthopelagic; non-migratory; depth range 20 - 300 m

Trophic Level

3.16 s.e. 0.29 Based on diet studies.

Occurs in Marine / Salt water

False

Occurs in Brackish water

True

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

19.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.6270 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: commercial

Vulnerability

Low to moderate vulnerability (34 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (tmax=5; K=0.26)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated