Caspian seals measure 1.3 - 1.5 m in length. Like other ringed seals, Caspian seals have a small degree of sexual dimorpism, with the males being slightly larger and bulkier than the females.
Caspian seals are distinguishable by their prominent spots.
The bodies of male Caspian seals are completely covered with black spots. Female seals have lighter colored spots, which are found only on their backs. Underlying body color is usually a varying shade of gray. Juvenile caspian seals, like other ringed seals, are white. Food Habits Caspian seals eat a wide variety of fish and various types of crabs.