Zoologists - about the possible causes of the death of hundreds of ruts in Dagestan In early December, reports began to spread on the media and social networks that corpses of seals were discovered on the shores of the Caspian Sea in Dagestan. According to the latest data, experts of Rosrybolovy found 272 carcasses of the Caspian Seal, which has been listed in the Red Books of Russia and Kazakhstan this year.