Abnormal Appearance of the Second Pair of Ventral Fins in Bleak Alburnus alburnus (Fam. Cyprinidae) of the Saratov Reservoir Middle Part

A. K. Mineev
Translated by D.F. Pavlov

Institute of Ecology of the Volga River Basin, Russian Academy of Sciences, Tolyatti, 445003 Russia

Correspondence to: e-mail: mineev7676@mail.ru

Received 18 February, 2016

Abstract—A specimen of late larva of bleak Alburnus alburnus with an additional pair of ventral fins sampled at the middle part of the Saratov Reservoir is described. This type of abnormality was revealed in the Saratov Reservoir for the first time.

Keywords: bleak Alburnus alburnus, disturbance of embryogenesis, additional ventral fins, Saratov Reservoir

DOI: 10.1134/S0032945217040087