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Grouper
Barracuda, Grouper and Giant Trevally feed on moray eels.
sharks, marlines, and moray eels
eels
The arapaima preys on electric eels, but more likely the dead ones.
Other moray eels are the most common predators of moray eels. Barracudas, groupers and people also eat moray eels.
Moray Eels are one of the largest eels known to exist. The only things that prey on them are sharks, humans and sometimes, other eels.
Moray eels eats fish and squid, and occasionally molluscs and crustaceans.
big fish like shark and some big fish might eat baby Eels (basicly anything larger that eats meat.)blue whales, and sharks
Seals, sharks, eels, and even other octopuses.
groupers, sharks(small) and medium sized fish