The starry sturgeon also known as stellate sturgeon or sevruga, is a species of sturgeon. It is native to the Black, Azov, Caspian and Aegean sea basins, but it has been extirpated from the last and it is predicted that the remaining natural population will follow soon due to overfishing.
Economidichthys pygmaeus, the Western Greece goby, is a species of freshwater goby endemic to western Greece where it is an inhabitant of streams and rivers. It is suspected to also occur in Albania. Males of this species can reach a length of 5.1 centimetres (2.0 in) TL while females can reach a length of 5.4 centimetres (2.1 in) TL.
The Syrman goby is a species of goby native to marine, brackish and probably fresh waters of the Black Sea, the Sea of Azov and the Caspian Sea basins. They inhabit inshore waters with substrates composed of shell fragments, sand, mud or muddy sand. This species can reach a length of 24.5 centimetres (9.6 in) TL.
The tadpole-gobies (Benthophilus), also called pugolovkas, are a genus of Ponto-Caspian fishes in the family Gobiidae.
Pomatoschistus marmoratus, the marbled goby, is a species of goby native to the eastern Atlantic from the Bay of Biscay down around the Iberian Peninsula through the Mediterranean Sea, the Black Sea and the Sea of Azov. It is also found in the Suez Canal in Egypt. It occurs in marine and brackish waters on sandy substrates in shallow waters, typically down to 20 m (66 ft), but occasionally to 70 m (230 ft) in the winter. It can reach a length of 8 cm (3.1 in) TL though most do not exceed 5 centimetres (2.0 in) TL.
The flatsnout goby is a species of goby endemic to the Black Sea where it is mostly known from inshore waters amongst rocks and boulders. It is occasionally found offshore over areas with gravel substrates. This species can reach a length of 22.5 centimetres (8.9 in) TL.
The Black Sea tadpole-goby is a species of goby native to the basin of the Black Sea. Found in the Gulf of Tendra and limans of the north-western Black Sea, lakes of the Danube Delta. In the rivers of the Black Sea basin: Danube up to Iron Gate dam, Dniester up to Tighina, Dnieper up to Kyiv, Southern Bug. This species is mostly a denizen of fresh and slightly brackish bodies of water, preferring rivers and deltas, limans and coastal lakes. This fish can reach a length of 15 centimetres (5.9 in) TL.
The Don tadpole-goby is a species of goby widespread in the basin of the Sea of Azov, specifically in the lower Don River and Tsimlyansk Reservoir. This species is found in rivers, reservoirs and river mouths, but is not known to enter seas. It is introduced and invasive upstream the Volga River, e.g. the Kuibyshev Reservoir. This fish can reach a length of 6.6 centimetres (2.6 in) SL. Life span is about one year.
The Azov tadpole goby is a species of goby native to the basin of the Sea of Azov, specifically in the near-estuary zone of the Kuban River, to west until Ukrainian part of the Taganrog Bay and the Strait of Kerch, in the Mius estuary, Yeya estuary, and Akhtanizovskii Liman. This species is only found on silty estuarine bottoms. It can reach a length of 8.4 centimetres (3.3 in) TL.
The Caspian tadpole goby is a species of goby which is widespread in the basin of the Caspian Sea, specifically in the near-estuary zone of the rivers and in small bays. It is a common species in the Volga River delta near Astrakhan, occurred in the deltas of rivers Terek, Ural, Samur. During the warmer months, this species prefers to live at depths of from .5 to 10 metres, moving in the colder months to depths of 20 to 25 metres. It can reach a length of 11.6 centimetres (4.6 in) TL.
The granular pugolovka is a species of gobiid fish widespread in the Caspian Sea. It is a small fish, with a length up to 5.6 centimetres (2.2 in) TL. It was listed as Least Concern by the IUCN in 2008: there are no known major threats. Granular pugolovkas are very abundant in their habitat due to their size and lack of natural predators. The common name 'pugolovka' is a Ukrainian word for tadpole.
Caspiosoma caspium is a species of Ponto-Caspian goby native to the deltas of rivers inflows to the north-western Black Sea: Dnieper up to Berislav, also in the Dnieper-Bug Estuary and Berezan Estuary, Danube, Dniester with the estuary, Cuciurgan Reservoir. Found in the delta of the Don River, Volga, central and northern parts of the Caspian Sea and rivers flowing into the Sea of Azov. It can be found at depths of from 2 to 8 metres. This species can reach a length of 4.5 centimetres (1.8 in) TL. It is currently the only known member of its genus.
The small-spine tadpole-goby is a species of goby, a small fish native to the eastern coasts of the Caspian Sea and the lower reaches of the Volga River up to Volgograd. In the sea it is recorded from the Cape Peschany to the Çeleken Peninsula and Ogurja Ada Island in the south. It is abundant the Volga River delta. This species can be found at depths down to 50 metres (160 ft) although the adults generally are not found deeper than 11 metres (36 ft). This species can reach a length of 6.6 centimetres (2.6 in) TL. The specific name honours the Azerbaijani ichthyologist A. A. Mahmudbekov, studied the fish of the Caspian Sea for much of his life.
Abdurahmanov's pugolovka is a brackishwater fish of family Gobiidae. It is found in the northern Caspian Sea and the lower reaches of the rivers Volga and Terek. FishBase treats this taxa as a subspecies of the Azov tadpole goby (Benthophilus magistri abdurahmanovi.
The Baer pugolovka is a species of goby widespread in the southern and central Caspian Sea, to Lenkoran in south. Also near the Chechen Island, Tyuleniy Islands, and in Bakhtemirovskaya Borozdina in north. This species occurs at depths of from 15 to 81 metres. Males can reach a length of 8 centimetres (3.1 in) TL while females only reach 6 centimetres (2.4 in) TL.
The Caspian stellate tadpole-goby, also known as the starry goby, is a species of gobiid fish endemic to the Caspian Sea basin. It is widespread along all coasts of the Caspian Sea with exception of the central-eastern, and in the lowest part of the Volga River. In the southern part of the basin, it is mentioned near the Ogurja Ada, in the Gorgansky Bay, and in the Sefīd-Rūd River. This species can reach a length of 10 centimetres (3.9 in) SL.
Benthophilus casachicus is a species of goby widespread along the eastern coasts of the Caspian Sea from the Cape Pischanyi to Ogurja Ada at south, also near Astrakhan. This species prefers estuaries and coastal waters. This species can reach a length of 7.6 centimetres (3.0 in) TL.
Benthophilus kessleri is a species of goby widespread along the eastern coasts of the Caspian Sea from the Urdyuk Cape to Kuuli Cape and Türkmenbaşy at south. This species occurs at depths of from 65 to 75 metres. It can reach a length of 4.6 centimetres (1.8 in) TL. The specific name honours the German-Russian zoologist Karl Fedorovich Kessler (1815-1881).
Benthophilus leptocephalus is a deepwater species of goby widespread along the central Caspian Sea from the mouth of the Samur River to Türkmenbaşy and Hasan-Kuli. This species can reach a length of 5.4 centimetres (2.1 in) TL.
Benthophilus grimmi is a species of goby widespread in the northern Caspian Sea at depth 80 to 240 metres. This species is common from Chechen Island to Absheron Peninsula. This species can reach a length of 9.5 centimetres (3.7 in) TL. The specific name honours the Russian ichthyologist Oscar von Grimm (1845–1921), who was Chief Inspector of Russian Fisheries in the Russian Empire who collected the type specimen.
