Undulated moray habitat
Gymnothorax undulatus is a common benthic species that resides in tropical waters on reef flats among rocks, rubble, or debris. G. undulatus also occurs in lagoons and seaward reefs to depths up to 110 m. They are nocturnal and feed on fishes, octopi, and possibly crustaceans. It is reported to be an aggressive species and prone to bite if disturbed.