Best answer
Some species only eat fish,while others eat different types of water creatures,such as seals and dolphins. Thekiller whaleseat 500 pounds of fish per day,depending on their size.
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What animals eat fish?
Animals that eat fish include other fish like sharks, pikes, walleye, barracudas, mackerel, tuna, swordfish, marlin, groupers, species of bass and codfish.
What eats fish poop?
Exactly Scat’s eat fish poo (hence the name), so do Cod, and yes so do some shrimp (such as the wood shrimp) and all filter feeding crabs and shrimp will consume fish detritus (after its been stirred up a little). Planarians, flat worms, hydra etc. will also consume fish waste, as will greater pond snails, blood worms and fresh water clams.
What eats jellyfish?
Fishes like sunfish, whale shark, chum salmon and tuna fish eat jellyfishes. Reptiles like the leatherback and hawkbill turtles eat jellyfishes. Mammals like red tailed foxes and penguins consume jellyfishes that become washed up ashore and even members of the jellyfish group such as other jellyfishes, anemones and small molluscs eat jellyfishes.
What do catfish eat?
Catfish are perhaps one of the best illustrations of how differently some fish eat. Catfish are omnivorous scavengers, and live in sluggish-to-stagnant muddy waters, eating whatever they get their fins on.