Fish Identifier
Whitespotted Moray (Gymnothorax meleagris)
Corl0169 (27688314754) by NOAA Photo Library, via Wikimedia Commons, licensed under CC BY 2.0
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Whitespotted Moray

Gymnothorax meleagris

A brown moray eel densely covered in small, evenly spaced white spots, commonly seen with its head poking from crevices on shallow Indo-Pacific coral reefs.

Habitat
Coral reefs, tropical Indo-Pacific
Size
60-100 cm
Diet
Carnivore (fish, crustaceans)

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Overview

The whitespotted moray is a common and widely recognized moray eel of the family Muraenidae found throughout the tropical Indo-Pacific, from East Africa and the Red Sea to Hawaii and French Polynesia. Its dark brown body covered in small, densely packed white spots makes it one of the more easily identified moray species on coral reefs. It typically reaches around 60 to 100 centimeters and is frequently observed with its head protruding from a reef crevice during the day. It is one of the most commonly encountered morays by divers and snorkelers across its range due to its abundance and shallow-reef habitat.

How to identify it

The whitespotted moray is identified primarily by its consistent spotted pattern.

  • Pattern: numerous small, round white spots evenly distributed over a dark brown body, including the head
  • Size: moderate, typically 60-100 cm
  • Body: moderately slender, tapering evenly to the tail
  • Head: often visible protruding from crevices with jaws slightly parted
  • Look-alikes: differs from the larger honeycomb moray by having small uniform dots rather than large irregular blotches

The fine, evenly sized white spotting over the entire body, rather than large blotches or bands, is the clearest identifying trait.

Habitat & range

This species is distributed widely across the tropical Indo-Pacific, including East Africa, the Red Sea, Southeast Asia, Micronesia, Hawaii, and French Polynesia. It inhabits coral reefs, reef flats, and lagoons, typically in water shallower than 30 meters, where it occupies holes and crevices within coral or rocky reef structure. It favors clear, warm tropical water with abundant reef relief providing daytime shelter. It is among the more commonly encountered reef morays due to both its abundance and its habit of resting in easily visible crevice openings.

Behavior & ecology

The whitespotted moray is largely nocturnal, spending daylight hours resting in a reef crevice with its head exposed, mouth often opening and closing rhythmically to pass water over its gills, a behavior sometimes mistaken for aggression. At night it actively hunts fish and crustaceans across the reef. It is generally solitary but may occupy dens close to other reef species without conflict. Like other morays, it possesses a second set of pharyngeal jaws used to draw prey into the esophagus. Reproduction follows the typical eel pattern of pelagic leptocephalus larvae that disperse before settling onto reef habitat as juveniles.

Frequently asked questions

How can you recognize a whitespotted moray?

By its dark brown body densely covered in small, evenly sized white spots across the head and body.

Why do whitespotted morays open and close their mouths?

It is a normal respiratory behavior that pumps water over the gills, not a sign of aggression.

How big does the whitespotted moray get?

Adults typically reach 60 to 100 centimeters in length.

Whitespotted Moray guides

In-depth guides for identifying, understanding, and caring about Whitespotted Moray.