| Gobionidae (Gudgeons) |
| 10 cm SL (male/unsexed) |
|
benthopelagic; freshwater |
| Europe: River Don in Russia and Ukraine. |
|
Differs from other congeners in Black and Caspian Sea basins by the possession of the following characters: barbel reaching to anterior eye margin; breast naked between pectorals; snout length greater than postorbital distance; head length 23-28 % SL; head depth at nape 14-15% SL, at eye 45-54% HL; body depth 18-22% SL; head width 13-15% SL 49-64% HL; eye diameter 4-6% SL, 2.8-3.2 times in head depth, 1.3-1.5 times in interorbital distance at 8-10 cm SL; and caudal peduncle depth 29-39% HL (Ref. 59043). |
| Occurs in a wide variety of habitats in rivers and streams. Size reaches up to about 10 cm SL (Ref. 59043). |
|
Least Concern (LC); Date assessed: 02 February 2023 Ref. (130435)
|
| harmless |
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