Suborder Gobioidei | Phylum Chordata Order Perciformes Family Gobiidae Rank Species | |
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Similar Benthophilus casachicus, Caspian stellate tadpole‑goby, Benthophilus grimmi, Ponticola gorlap, Azov tadpole goby |
Mesogobius nonultimus, or the Caspian toad goby, is one of the species of gobiid fish endemic to the brackish-waters Caspian Sea (lake). It will grow up to a length of 17.4 cm.
It has been recorded from Turkmenistan, Daghestan, Azerbaijan and Iran, and is probably found throughout the lake, in the coastal zone down to 50 m depth. Its sister taxon in the Black Sea basin is Mesogobius batrachocephalus.
References
Mesogobius nonultimus Wikipedia(Text) CC BY-SA