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.
The painted comber is a species of marine ray-finned fish, a sea bass from the subfamily Serraninae, classified as part of the family Serranidae which includes the groupers and anthias. It is found in the eastern Atlantic Ocean, the Mediterranean Sea, and the Black Sea. Confusingly, a synonym of this species is Perca marina, but that name has incorrectly been used for a separate species, the rose fish.
Gobius is a genus of fish in the family Gobiidae native to fresh, brackish and marine waters of and around Europe, Africa and Asia. It contains the typical gobies, being the type genus of the formerly recognised subfamily Gobiinae and family and the namesake genus of its order Gobiiformes.
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.
Chromis chromis, the damselfish or Mediterranean chromis, is a small species of ray-finned fish of the family Pomacentridae from the Eastern Atlantic and Mediterranean.
Apogon imberbis, the cardinalfish, the Mediterranean cardinalfish or king of the mullets, is a species of ray-finned fish, a cardinalfish belonging to the family Apogonidae. It is widely distributed in the Mediterranean and along the warm temperate and tropical eastern Atlantic coasts from Portugal south to the Gulf of Guinea.
The ornate wrasse is a species of wrasse native to the rocky coasts of the eastern Atlantic Ocean and the Mediterranean Sea. This species is of minor importance to local commercial fisheries, is also popular as a game fish, and can be found in the aquarium trade.
Montagu's blenny, also known as the capuchin blenny, is a species of combtooth blenny found in the intertidal zones of the eastern Atlantic ocean from England to Madeira and the Canary Islands as well the Mediterranean Sea, the Black Sea and the Sea of Marmara. This species prefers rocky shores with much wave action. This species grows to a length of 7.6 centimetres (3.0 in) SL. It is the only species in the genus Coryphoblennius.
Pinchuk's goby is a species of goby native to the Black Sea and the Sea of Azov.
The golden goby is a species of goby from the family Gobiidae endemic to the Mediterranean Sea. It prefers areas with rocky substrates at depths of from 5 to 80 metres with plentiful growth of algae and gorgonians. This species can reach a length of 10 centimetres (3.9 in) TL. It can also be found in the aquarium trade. Gobius xanthocephalus is the name that is applied to the populations of similar gobies in the eastern Atlantic and western Mediterranean which were previously considered to be G. auratus.
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.
The red-mouthed goby is a species of goby native to the Eastern Atlantic Ocean from southwestern Ireland to the coasts of Morocco and Senegal, and also in the Mediterranean Sea where it occurs in inshore waters at depths of from 15 to 40 metres in areas with rocky or sandy substrates or in meadows of sea-grass. This species can reach a length of 18 centimetres (7.1 in) TL. It may also be found in the aquarium trade.
The black-faced blenny is a small benthic fish from the family Tripterygiidae (triplefin-blennies). It occurs at depths of 3 to 40 metres and lives on the substrate under large rocks, cliffs or other overhangs.
Rhinogobiops is a genus of true gobies in the family Gobiidae. It is monotypic, being represented by the single species, Rhinogobiops nicholsii, also known as the blackeye goby, bluespot goby, and crested goby. They are common inhabitants of coral reefs and rocky habitats along the eastern Pacific Ocean coasts of Mexico, the United States, and Canada, although they are hardly noticed, as they often rest motionless near their shelters.
Crystallogobius linearis, the crystal goby, is a species of goby native to the Atlantic coasts of Europe and the Mediterranean Sea where it can be found at depths of from 1 to 400 metres. Males of this species grow to a length of 4.7 centimetres (1.9 in) SL while females only reach 3.9 centimetres (1.5 in) SL. This species is the only known member of its genus. The name Crystallogobius comes from the Latin words cristallum, meaning "crystal", and gobius, meaning gudgeon.
Diplecogaster bimaculata, the two-spotted clingfish, is a species of fish in the family Gobiesocidae found in Black Sea, Mediterranean Sea and Atlantic Ocean where it is found on rocks and among seagrass or shell beds.
Trachelobdella lubrica is a species of marine leech in the family Piscicolidae. It is a parasite of fish and has a worldwide distribution in the equatorial belt. It was first described in 1840 by the German zoologist Adolph Eduard Grube, the type locality being Palermo, Sicily, in the Mediterranean Sea.
Lophogobius cyprinoides, commonly known as the crested goby, is a small fish that is widespread throughout the western Atlantic Ocean.
