In January and March of this year, two expeditions to the Srednii island took place. Despite the severe winter conditions, scientists from the departments of Ichthyology and Hydrobiology and Invertebrate Zoology were exploring how the inhabitants of the White Sea live during winter, under the ice cover. The expedition members express their special thanks to the Head of stations organization office A.A. Stepanov and the station director M.I. Bessonov, since without their support these expeditions would not have been possible.