The Lessepsian migration is the migration of marine species across the Suez Canal, usually from the Red Sea to the Mediterranean Sea, and more rarely in the opposite direction. When the canal was completed in 1869, fish, crustaceans, mollusks, and other marine animals and plants were exposed to an artificial passage between the two naturally separate bodies of water, and cross-contamination was made possible between formerly isolated ecosystems. The phenomenon is still occurring today. It is named after Ferdinand de Lesseps, the French diplomat in charge of the canal's construction.
Alosa maeotica, known as the Black Sea shad or Azov shad, is a species of clupeid fish endemic to the Sea of Azov and the western part of the Black Sea basin. It is found in Bulgaria, Georgia, Moldova, Romania, Russia, Turkey, and Ukraine.
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.
Ponticola kessleri, the bighead goby or Kessler's goby, is a species of goby native to Eurasia. The bighead goby is a Ponto-Caspian relict species. It inhabits the fresh and oligohaline waters, with mineralisation from 0-0.5‰ up to 1.5-3.0‰.
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.
Carinurella paradoxa is a species of crustacean in family Niphargidae, and the only species in the genus Carinurella. It is found in phreatic waters of the Vipava and Soča rivers in Italy and Slovenia.
Niphargobates is a genus of amphipod crustaceans containing two species from European caves. Niphargobates lefkodemonaki is only known to occur in a cave near Xyloskalo in the Lefka Ori mountains, Crete, Greece. Niphargobates orophobata is only known to occur in caves near Postojna, Slovenia. Both species are listed as vulnerable on the IUCN Red List.
Niphargus aberrans is a species of crustacean in the family Niphargidae. It is endemic to Slovenia.
Niphargus hadzii is a species of crustacean in family Niphargidae. It is endemic to Slovenia, and is named after Slovene zoologist Jovan Hadži.
Niphargus sphagnicolus is a species of crustacean in family Niphargidae. It is endemic to Slovenia.
Niphargus spoeckeri is a species of crustacean in the family Niphargidae. It is endemic to Slovenia.
Niphargus stenopus is a species of freshwater amphipod crustacean which is endemic to Slovenia.
Niphargus timavi is a species of crustacean in family Niphargidae. It is found in Italy and Slovenia.
Niphargus valachicus is a species of crustacean in family Niphargidae. This species of crustacean is native to Bulgaria, Croatia, Hungary, Romania, Serbia and Montenegro, Slovakia, and Slovenia.
Niphargus tatrensis is a troglobitic species of crustacean in the family Niphargidae, living in the karst waters of Austria, the Czech Republic, Hungary, Poland, and Slovakia. It can be found in caves, and also in karst springs and in wells in the karstic areas.
Mytilopsis leucophaeata is a species of small bivalve mollusc in the false mussel family, Dreissenidae. It is commonly known as Conrad's false mussel or the dark false mussel.
The western tubenose goby is a species of goby native to fresh waters of the Black Sea and Aegean Sea basins,. It has recently spread as an invasive species to Central and Western Europe and to North America. Previously Proterorhinus semilunaris was considered as a junior synonym of Proterorhinus marmoratus, but was confirmed as a distinct species based on molecular analysis.
Neogobius pallasi, the Caspian sand goby or the Caspian monkey goby, is a species of fish native to fresh and brackish waters of the Caspian Sea basin including the Volga drainage up to the vicinity of Moscow. It has been introduced into the Aral basin. This species of goby can reach a length of 20 centimetres (7.9 in) SL. It is also important to local commercial fisheries.
Theodoxus pallasi is a species of a freshwater snail with an operculum, an aquatic gastropod mollusk in the family Neritidae, the nerites.
Iphigenellidae is a freshwater family of amphipods in the superfamily Gammaroidea. It is found in the Ponto-Caspian region, which encompasses the Black, Azov, and Caspian Seas.
