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The Romanian barbel (Barbus petenyi) is a species of ray-finned fish in the genus Barbus. It occurs in the lower Danube basin of Bulgaria and Romania, as well as in several rivers of Bulgaria flowing into the Black Sea, such as Kamchiya. [2] The species is named after János Salamon Petényi. Males can reach 25 cm in length.
According to a systematic list of the Romanian vertebrate fauna, there are 732 species of vertebrates living in Romania. When grouped into classes, the largest number of these species are birds, with 382 species, followed by fish with 184. 110 of these species are mammals, 31 are reptiles, 20 are amphibians, while only four belong to the Cyclostomata class of jawless fish.
A Romanian NGO, the Bucharest Institute of Biology, has worked to preserve this species with the financial support of the Regional Environmental Center. [5] Official estimates assert that no more than 15 specimens are living in a 1 km 2 (0.39 sq mi) area of the Vâlsan; observations as of October 2022 have confirmed 58 individuals.
Sander marinus, the estuarine perch, also called sea pikeperch or sea zander, is a species of ray-finned fish in the family Percidae which includes the perches, ruffes and darters. It is found in eastern Europe in the Black Sea and the Caspian Sea in Azerbaijan, Bulgaria, Iran, Kazakhstan, Moldova, Romania, Russia, Turkmenistan, and Ukraine. [1]
The Techirghiol stickleback (Gasterosteus crenobiontus) was an endemic fish species, found in the streams inflowing to the coastal hypersaline Lake Techirghiol in southern Romania. It was a freshwater benthopelagic fish, up to 6.5 centimetres (2.6 in) SL in length.
Alosa maeotica, known as the Black Sea shad or Azov shad, is a species of Alosid 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. This is one of the several shad species endemic the Ponto-Caspian basin.
The roach, or rutilus roach (Rutilus rutilus), also known as the common roach, is a fresh- and brackish-water fish of the family Cyprinidae, native to most of Europe and western Asia. Fish called roach can be any species of the genera Rutilus, Leucos and Hesperoleucus, depending on locality. The plural of the term is also roach. [3]
Merlangius merlangus, commonly known as whiting or merling, is an important food fish in the eastern North Atlantic Ocean and the northern Mediterranean, western Baltic, and Black Sea. In Anglophonic countries outside the whiting's natural range, the name "whiting" has been applied to various other species of fish .