''Mesogobius'' is one of the

genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...

of benthophiline gobiid fishes native to the basins of the

Black Black is a color which results from the absence or complete absorption of visible light. It is an achromatic color, without hue, like white and grey. It is often used symbolically or figuratively to represent darkness. Black and white have o ...

and

Caspian Sea The Caspian Sea is the world's largest inland body of water, often described as the world's largest lake or a full-fledged sea. An endorheic basin, it lies between Europe and Asia; east of the Caucasus, west of the broad steppe of Central Asia ...

Species

There are two or three recognized species in this genus:.Brian W. Coad
Freshwater Fishes of Iran
(accessed 18 Feb 2015) * ''

Mesogobius batrachocephalus ''Mesogobius batrachocephalus'', the knout goby or toad goby, is one of the species of gobiid fish native to the Black Sea and the Sea of Azov basins. It lives in estuaries and brackish water lagoons, occasionally in fresh waters, such as the c ...

'' ( Pallas, 1814) (Knout goby) * ''

Mesogobius nigronotatus ''Mesogobius nigronotatus'' is a species of gobiid fish native to the Caspian Sea. It is only known from a couple of samples, from Kazakhstan and the southern part of the sea; the type material has been lost. It is suspected to be the same taxo ...

'' (

Kessler Kessler or Keßler (in German) may refer to: * Kessler (automobile), an American automobile made 1921–1922 * Kessler (name), people named Kessler * ''Kessler'' (TV series), a British television series from 1981 * Kessler, Ohio, an unincorporat ...

, 1877) (? = '' M. nonultimus'') * ''

Mesogobius nonultimus ''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, Azerbai ...

'' (Iljin, 1936)

References

{{Taxonbar, from=Q907095 Benthophilinae Taxonomy articles created by Polbot