Family: |
Cottidae (Sculpins) |
Max. size: |
21 cm TL (male/unsexed) |
Environment: |
pelagic; freshwater; depth range 0 - 1600 m, potamodromous |
Distribution: |
Asia: Lake Baikal, Russia. |
Diagnosis: |
Dorsal spines (total): 6-7; Dorsal soft rays (total): 30-34; Anal spines: 0-0; Anal soft rays: 30-36. No swim bladder (Ref. 128162), |
Biology: |
Adults prefer deep waters but females and occasionally males may be found on the surface. Depth of distribution in January and February is 150-250 m; 100-120 m in March and April. Adults feed mainly on the amphipod Macrohectopus branickii. Mature individuals spawn in July to October. Fat content of the body is about 25%. The dead fish does not sink but float up to the surface and freeze into ice. In spring, they are cast ashore by the waves (Ref. 26334). |
IUCN Red List Status: |
Least Concern (LC); Date assessed: 24 June 2020 Ref. (130435)
|
Threat to humans: |
harmless |
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