Ponticola gorlap, or the Caspian bighead goby, is a species of goby, a benthic fish native to the Caspian Sea basin. It is widespread in lower parts of many rivers in Iran, and also found in Azerbaijan and Turkmenistan.[2] In Russia, it occurred in the lowest part of the Volga up to Astrakhan until 1977, but has thereafter spread upstream. In 2000 it was recorded as being established in the Ivankovo and Rybinsk Reservoirs in the Moscow region, and already invaded the Don drainage by way of the Volga–Don Canal in 1972.[3] This species occurs in sheltered environments, such as inshore fresh or brackish waters of estuaries, lagoons, lakes and large rivers, where it prefers habitats with a well vegetated rock or firmly packed sand substrate. It can reach a length of 20 centimetres (7.9 in) SL, and a common size is 12 centimetres (4.7 in) SL.[3]
| Ponticola gorlap | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Gobiiformes |
| Family: | Gobiidae |
| Genus: | Ponticola |
| Species: | P. gorlap
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| Binomial name | |
| Ponticola gorlap (Iljin, 1949)
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| Synonyms | |
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External links
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- ^ Freyhof, J. & Kottelat, M. (2008). "Ponticola gorlap". The IUCN Red List of Threatened Species. 2008: T188114A8642335. doi:10.2305/IUCN.UK.2008.RLTS.T188114A8642335.en.
- ^ Brian W. Coad Freshwater Fishes of Iran (accessed 18 Feb 2015)
- ^ a b Froese, Rainer; Pauly, Daniel (eds.). "Ponticola gorlap". FishBase. June 2013 version.
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