Ponticola ratan (Nordmann, 1840)
Ratan goby
Kayabalığı,  Ratan goby,  Kaya balığı
Ponticola ratan
photo by Miller, P.J.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  20 cm TL (male/unsexed)
Environment:  demersal; brackish
Distribution:  Eurasia: Black Sea, Sea of Azov and Caspian Sea (4696). Restricted to brackish water habitats (Ref. 92840).
Diagnosis:   
Biology:  Restricted to brackish water habitats (Ref. 92840). Reported to enter fresh waters (Ref. 58342). Occur inshore, over stones and gravel. Feeds mainly on crustaceans and fish (Ref. 4696).
IUCN Red List Status: Least Concern (LC); Date assessed: 04 March 2020 Ref. (130435)
Threat to humans:  harmless
Country info:  Occurs in marine waters (Ref. 57855) as well as in fresh (?) and brackish waters (Ref. 58342). Known from the Black Sea and watersheds of the European Black Sea, Anatolian Black Sea and Caspian Sea; also from Sea of Maramara watersheds (Ref. 106151). Threatened due to habitat loss, eutrophication/pollution, construction of weirs/dams in rivers and water abstraction (Ref. 58342). Status of threat: Endangered (Ref. 58342). EurTurk


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