The Australian mottled moray (in Australia), and mottled moray (in New Zealand), Gymnothorax prionodon, is a moray eel of the familyMuraenidae, found at depths down to 80 m. Their length is between 80 and 150 cm.
References
Tony Ayling & Geoffrey Cox, Collins Guide to the Sea Fishes of New Zealand, (William Collins Publishers Ltd, Auckland, New Zealand 1982)