Abbott's moray eel, also known as the stout moray (Gymnothorax eurostus) is a moray eel of the family Muraenidae, found in the Indo-Pacific, antitropical in distribution. It is found in the eastern Pacific from Costa Rica to Easter Island, at depths to 40 m. Its length is up to 60 cm. Abbott's moray eel is a shallow-water, inshore reef species, though not often seen. They are voracious nocturnal carnivores feeding mostly on reef fishes.