The Western Long-Headed river shark eats Otters, Otters are mainly targeted torwards bears, and other cernivores
Not many - up here in coastal Alaska, sea otters live more or less safe lives. Their pups are somewhat susceptible to bald eagles, and occasionally they fall prey to killer whales or seals.
Otters.
Sea Urchins
Ducks, otters
octopuses eat crabs...
Sea otters are eaten by orcas (killer whales.)
Many animals eat piranhas, caimans, wading birds, and jaguars, and giant otters.
sea otters ARE consumers. All animals that eat either plants (producers) or other animals are consumers.
Probable big animals; if they don't fall in. Tribal people eat them, Otters, and also crocodiles.
Killer whales eat kelp from time to time. Other animals that eat kelp include sea otters and sea urchins.
Large group of piranhas can hunt otters and eat them.
Sea Otters eat abalone which eat the kelp. Kelp provides a safe fish nursery for fry.
Catfish are a fresh water fish so hawks, otters, muskrats, bobcats, raccoons, would eat a catfish.