Walruses prefer molluscs - mainly bivalves such as clams. They also eat many other kinds of benthic invertebrates including worms, gastropods, cephalopods, crustaceans, sea cucumbers, and other soft-bodied animals. Walruses may occasionally prey on fishes such as polar cod.

Diet and Nutrition Walruses are carnivores (molluscivores) and hunt other animals to survive. They eat clams, snails, worms, octopuses, squid, and some types of slow-moving fish. They will eat young seal carcasses when food is scarce.

Walruses are foraging predators that feed on a variety of bottom invertebrates, including shellfish, worms, crabs, etc. and perhaps some fishes. They may also scavenge carcasses of large marine mammals.

Walruses are not picky eaters—they feed mainly on mollusks, but will also eat worms, cephalopods, crustaceans and more. They even nosh on an occasional seal, though observations of walruses hunting their close relatives are rare.