Prespa bleak

Alburnus belvica. the Prespa bleak, is a species of ray-finned fish in the family Leuciscidae, that can be found in Lake Prespa and the nearby Small Prespa Lake in the Balkans. In North Macedonia it is known as nivichka (нивичка). It is threatened by habitat loss. This species makes up the bulk of the diet of the Dalmatian pelican (Pelecanus crispus) population breeding at the Small Prespa Lake.

Alburnus belvica is a short-lived species which is found in freshwater lakes and slow-flowing water courses on low-lying plains. The adults' diet consists of invertebrates and plantas well as plankton. They form large schools when foraging. and they spawn in the tributaries and along shores of lakes on pebbles and gravel in surf zone. If they are spawning in tributaries they move up to the spawning sites during the night. Spawning occurs in May and June and the adults are pelagic except when spawning.