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Great Barrier Reef marine life

Moray eel

Morays spend the day with just the head showing from a crevice, opening and closing the mouth to pump water over the gills. It looks menacing and is nothing of the sort. The giant moray is the one you will remember, thick as a thigh and up to three metres long, and there are smaller spotted, ribbon and honeycomb morays in the same reefs.

  • Giant moray up to 3 m; most species under 1.5 mSize
  • Year round; hunting on night divesBest time
  • Least Concern (IUCN)Status
A moray eel looking out from its hole in the reef

Gymnothorax spp.

Photo: malcolmnobbs.com

What to look for

A snake-like body with no pectoral fins, a long dorsal fin running the length of the back, small eyes and a mouth full of backward-pointing teeth. Giant morays are brown with darker mottling; the honeycomb moray is white with black spots. They have a second set of jaws in the throat that shoots forward to drag prey in.

Hands away

Morays have poor eyesight and hunt by smell, so a hand reaching into a hole can be mistaken for a fish. Every moray bite on record involves a diver feeding one or poking around in the reef. Watch from a metre away and it will often come further out to look at you; on a night dive you can see them hunting in the open.

Where to see it

Dive with us to see it

You might also see

All Great Barrier Reef marine life →