New ichthyological findings in Armenia

摘要: Three new fish species were found in southeastern Armenia. The presence of Kura gudgeon Romanogobio macropterus is reconfirmed after 80 years absence. roach Rutilus caspicus, Transcaucasian white bream Blicca bjoerkna transcaucasica, and European pikeperch Sander lucioperca for the first time. All three registered Aras River. was caught 2008 just before flooding Reservoir. other two during period 2010. Attempts to find failed River its nearest tributaries 2010 damming change hydrological regime. Probably, penetration from lower reach middle upper became possible owing subsequent appearance a broad limnetic zone damming. Range expansion widely distributed cyprinid upstream may lead replacement even disappearance local endemic forms, Armenian schelkovnikovi derjavini, which inhabit Mezamor tributaries.