Britannica Sources used in this answer

What do Caspian seals eat during the summer?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

During the summer, Caspian seals congregate in the warmer southern reaches of the Caspian Sea, where their diet expands significantly. They prey primarily on kilka, which accounts for nearly 70 percent of their food intake. Additionally, they consume herring, sturgeon, and smelt, as well as mollusks and other invertebrates.12