Claim: Aleksei Korotnev's principal work was on the embryonic development of rats; he also made extensive zoological collections in the Indian and Pacific Ocean regions, and studied the fauna of Lake Baikal in 1900 and 1902.
Evidence: His principal work was on the embryonic development of cnidarians, bryozoans, tunicates and insects. In 1885 and in 1890-91, he made extensive zoological collections in the Indian Ocean and Pacific ocean regions. Korotnev also studied the fauna of Lake Baikal between 1900 and 1902.