The Black Sea tadpole-goby (''Benthophilus nudus'') is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

of goby native to the basin of the

Black Sea The Black Sea is a marginal mediterranean sea of the Atlantic Ocean lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bounded by Bulgaria, Georgia, Roma ...

. Found in the

Gulf of Tendra __NOTOC__ Gulf of Tendra or Tendra Bay ( uk, Тендрівська затока) is a shallow water bay off the coast of Ukraine (south of the Yahorlyk Kut peninsula), northern Black Sea. The gulf is separated from the sea by the Tendra Spit. T ...

and limans of the north-western

lake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...

s of the

Danube Delta The Danube Delta ( ro, Delta Dunării, ; uk, Дельта Дунаю, Deľta Dunaju, ) is the second largest river delta in Europe, after the Volga Delta, and is the best preserved on the continent. The greater part of the Danube Delta lies in Ro ...

. In the rivers of the

basin:

Danube The Danube ( ; ) is a river that was once a long-standing frontier of the Roman Empire and today connects 10 European countries, running through their territories or being a border. Originating in Germany, the Danube flows southeast for , pa ...

up to Iron Gate dam,

Dniester The Dniester, ; rus, Дне́стр, links=1, Dnéstr, ˈdⁿʲestr; ro, Nistru; grc, Τύρᾱς, Tyrās, ; la, Tyrās, la, Danaster, label=none, ) ( ,) is a transboundary river in Eastern Europe. It runs first through Ukraine and th ...

up to

Tighina Bender (, Moldovan Cyrillic: Бендер) or Bendery (russian: Бендеры, , uk, Бендери), also known as Tighina ( ro, Tighina), is a city within the internationally recognized borders of Moldova under ''de facto'' control of the un ...

Dnieper } The Dnieper () or Dnipro (); , ; . is one of the major transboundary rivers of Europe, rising in the Valdai Hills near Smolensk, Russia, before flowing through Belarus and Ukraine to the Black Sea. It is the longest river of Ukraine and B ...

up to

Kyiv Kyiv, also spelled Kiev, is the capital and most populous city of Ukraine. It is in north-central Ukraine along the Dnieper, Dnieper River. As of 1 January 2021, its population was 2,962,180, making Kyiv the List of European cities by populat ...

Southern Bug , ''Pivdennyi Buh'' , name_etymology = , image = Sunset S Bug Vinnitsa 2007 G1.jpg , image_size = 270 , image_caption = Southern Bug River in the vicinity of Vinnytsia, Ukraine , map = PietinisBug ...

. This species is mostly a denizen of fresh and slightly brackish bodies of water, preferring rivers and deltas,

limans Limans is a Communes of France, commune in the Alpes-de-Haute-Provence Departments of France, department in southeastern France. Population See also *Communes of the Alpes-de-Haute-Provence department References

Communes of Alpe ...

and coastal lakes. This fish can reach a length of TL.

References

Benthophilus Fish of the Black Sea Fish of Europe Fish described in 1898 {{Gobiidae-stub