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Shellfish and regular fish .
There are several animals that eat sea urchins. Sea otters, sunflower stars, snails, crabs and some species of fish predate upon sea urchins.
Im sure they prey upon small fish .
Prey.
Leopard seals, Killer whales, and humans prey upon seals.
Deer are herbivores; they forage for grasses, leaves, barks, and twigs. They do not prey upon other animals. Other animals prey upon them.
Falcons are prey. They are preyed upon by eagles, owls and a host of other birds of prey.
Sharks and orcas are known to prey upon pelicans. Coyotes will also prey upon adult pelicans.
Great White sharks are pure carnivores. They prey upon fish (like Tuna, Rays etc), other smaller species of Sharks, dolphins, porpoises, seals, sea lions, sea turtles, sea otters and even sea birds. They prefer prey that has a high content of energy rich fat.
Great White sharks are pure carnivores. They prey upon fish (like Tuna, Rays etc), other smaller species of Sharks, dolphins, porpoises, seals, sea lions, sea turtles, sea otters and even sea birds. They prefer prey that has a high content of energy rich fat.
Fresh water crayfish feed upon carrion, small fish and water insects, but the majority of their food is algae and water-type plants. They also filter feed. Saltwater crayfish are also filter feeders, but scavengers too and often feed upon fish carcasses and regularly prey upon urchins.
I believe it is "prey"The opposite of predator is prey.