1. Anatirostrum profundorum (Berg, 1927) (Fig. 7), Duckbilled Tadpole Goby

Benthophilus profundorum Berg, 1927: 335, figs. 5–8; type locality: South Caspian Sea at 37°58’N, 52°22’E; syntypes: ZIN 23134 (14).

Etymology: Latin, profundus = deep, refers to its capture in deep water.

Distribution and habitat: South Caspian Sea (Fig. 8A), off the coasts of Iran, Azerbaijan and Turkmenistan. Records are from 45–294 m depth (Ahnelt et al. 2000).

Material examined: ZM-CBSU S021-1, 1, off Chaboksar, Gilan Province, Iran .

IUCN: LC (Mamilov 2020a).

Babka Iljin, 1927 (1 species)