The round goby is a euryhaline bottom-dwelling species of fish of the family Gobiidae. It is native to Central Eurasia, including the Black Sea and the Caspian Sea. Round gobies have established large non-native populations in the Baltic Sea, several major Eurasian rivers, and the North American Great Lakes.
The sand goby, also known as a polewig or pollybait, is a species of ray-finned fish native to marine and brackish waters European waters from the Baltic Sea through the Mediterranean Sea and into the Black Sea where it occurs in sandy or muddy areas of inshore waters at depths of from 4 to 200 metres. This species can reach a length of 11 centimetres (4.3 in) TL. This species is sometimes kept in public aquariums. The sand goby is of a sandy colour, with darker markings on the sides and a creamy-white underside. In the breeding season the male fish has blue spot at the rear of the first dorsal fin, ringed with white. The fish has a slender body, and the head is about a quarter of the total length.
The black goby is a species of ray-finned fish found in the Eastern Atlantic and Mediterranean Sea and Black Sea. It inhabits estuaries, lagoons, and inshore water over seagrass and algae. It feeds on a variety of invertebrates and sometimes small fish. This species can also be found in the aquarium trade.
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 coastal Lake Siutghiol in Romania. It prefers areas near cliffs with sandy, shelly or rocky substrates at depths of from 20 to 60 metres, sometimes down to 100 metres (330 ft). The knout goby is a piscivore. It can reach a length of 34.5 centimetres (13.6 in) SL and weight of 600 grams (1.3 lb). Maximum known age is eight years.
The monkey goby is a species of goby native to the basins of the Black Sea and the Sea of Azov.
The racer goby is a species of goby native to fresh, sometimes brackish, waters, of the Black Sea basin. It is a Ponto-Caspian relict species. The species is placed a monotypic genus, Babka, which was once considered a subgenus of genus Neogobius, but was then elevated to genus-status based on the molecular analysis.
Proterorhinus marmoratus is a species of gobiid fish, a tubenose goby native to the brackish water parts of the Black Sea and the Sea of Azov, near the coasts of Bulgaria, Georgia, Romania, Ukraine and Russia. Also it is found in the Marmora Sea (Turkey). It can reach a length of 11.5 centimetres (4.5 in) TL.
The two-spotted goby is a species of goby native to marine and brackish waters of the eastern Atlantic Ocean where it can be found from the Faeroes and Norway to the northwestern coast of Spain. It has also been recorded from Estonia though records from the Mediterranean Sea are uncertain. They are common on all coasts of the United Kingdom. This species can reach a length of 6 centimetres (2.4 in) TL.
The rock goby is a small coastal goby of eastern Atlantic waters, from Scotland to Senegal. It is also reported from the Mediterranean and Black Seas, and is an anti-Lessepsian migrant in the Gulf of Eilat and Red Sea. There are unconfirmed records from the area around Pointe Noire in Congo-Brazzaville.
The painted goby is a small goby of Western European waters from Trondheim Fjord to Spain, the Canary Islands and is sometimes reported in the Mediterranean Sea. Also mentioned in the Black Sea. It lives at depths from 1 to 55 metres, preferring a gravelly or sandy environment. Its young may sometimes be found in tide pools. It feeds on amphipods and copepods.
The grass goby is a species of goby native to the Mediterranean Sea, the Sea of Azov and the Black Sea. It is currently the only known member of its genus.
Pinchuk's goby is a species of goby native to the Black Sea and the Sea of Azov.
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.
Chromogobius is a small genus of gobies native to the eastern Atlantic Ocean through the Mediterranean and Adriatic seas to the Black Sea.
The chameleon goby is a species of ray-finned fish native to marine and brackish waters along the coasts of eastern Asia. It has also spread to other parts of the world where it is found in waters with varying degrees of salinity.
Pomatoschistus bathi is a species of goby native to the eastern Mediterranean and the Sea of Marmara where it occurs at depths of from 7 to 14 metres on substrates with a sand or mud component. This species can reach a length of 3 centimetres (1.2 in) TL. It is found in Mediterranean Sea and Black Sea, with scattered records in southwestern France to Turkish Aegean Sea coast. The Bath's goby feeds on bosmiden, brine shrimps, lobster eggs, oyster eggs, zoobenthos and zooplankton. In 2013, it was listed as data deficient but was changed to Least Concern the following year because the population is thought to stable, it may be under-represented and there are no known threats. The specific name honours the German ichthyologist Hans Walter Bath (1924-2015).
The slender goby is a species of goby endemic to the Mediterranean Sea where it can be found in inshore waters to a depth of about 30 metres (98 ft). It lives in areas with sandy or muddy substrates near beds of sea-grass. This species can reach a length of 16 centimetres (6.3 in) TL.
Thorogobius ephippiatus, the leopard-spotted goby, is a species of goby native to the eastern Atlantic Ocean and the Mediterranean Sea.
Steinitz's goby is a species of goby. It is native to the Mediterranean Sea near Marseilles. It has been recently recorded in the Adriatic Sea in Croatia, Tyrrhenian Sea in Italy, and in the Black Sea in Ukraine. This species can be found in underwater grottoes in inshore waters at depths of 2 to 15 metres. Steinitz's goby can reach a length of 3.8 centimetres (1.5 in) SL. Its name honours the marine biologist and herpetologist Heinz Steinitz (1909-1971) of the Hebrew University, Jerusalem.
Valenciennea helsdingenii is a species of goby from the Indo-Pacific. It is commonly known as the twostripe goby, black-lined sleeper goby, or railway sleeper goby. It can grow up to a length of 25 cm (9.8 in) and is distinguishable by two prominent orange to black lines running longitudinally through its body.
