Mottled brown-green with a dark edge to the fins and a purple-grey mouth lining, which is the character that separates it from the spotted moray.
To about 1.2 m, mottled brown and green with a dark margin to the dorsal and anal fins. The character that names it is inside the mouth: the lining is purple-grey, where the spotted moray’s is pale, and that is how the two are separated when they are both mottled and both in a hole.
Same hazard as every moray, and the same reason. It bites a hand it cannot see. It does not attack divers.
Ratings are per location: 1 means found on most dives that look for it, 5 means a handful of records. Where enough dives have been logged the figure is calculated from them; otherwise it is an editorial estimate, and says so. We publish habitat and destination, not the dive site.