Undulated Moray Eel, Gymnothorax undulatus

The Undulated moray eel, Gymnothorax undulatus, is one of the nastiest eels found. Do not attempt to play with or feed this moray.  It is most often active at night The narrow jaws and yellow head characterize this eel. It has long, sharp teeth including a row down the center of the mouth.

This eel was hunting at night. During the day the body takes on a darker brown coloration.

Although eels are often seen peeking out of crevices, opening and closing their mouth, it is not a threat, merely an action to pump water over their gills.