Benthophiloides brauneri is a species of goby, a benthophilic fish native to the fresh and brackish waters of the Black Sea, the Caspian Sea and the Sea of Azov as well as their surrounding rivers and estuaries. Despite the wide distribution, very few observations overall of this fish exist, and just one from the Caspian basin. It has been found in still waters at depths down to around 15m (49feet). Males of this species can reach a length of 7.2cm (02.8inches) SL while females only reach 5.1cm (02inches) SL. This fish only lives for one year.