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Grouper
eels
the black dudes
Barracuda, Grouper and Giant Trevally feed on moray eels.
sharks, marlines, and moray eels
eels
Lionfish, Snappers, Groupers, Eels, Triggers or any other predatory fish large enough to eat them.
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.