Moray eels body is generally patterned. In some species (inside of the mouth is also patterned.)
Their jaws are wide, framing a protruding snout.
Most possess large teeth used to tear flesh or grasp prey items.
They primarily feed on crustaceans and other hard-shelled animals
The dorsal fin extends from behind the head along the back and joins seamlessly with the caudal and anal fins.
Most species lack pectoral and pelvic fins, so look like serpentine appearance. Their eyes are rather small
Morays rely mostly on their highly developed sense of smell, lying in wait to ambush prey.
Morays secrete a protective mucus over their smooth, scaleless skin, which in some species contains a toxin.
They have much thicker skin and high densities of goblet cells in the epidermis that allows mucus to be produced at a higher rate than in other eel species.
This allows sand granules to adhere to the sides of their burrows in sand-dwelling morays, thus making the walls of the burrow more permanent due to the glycosylation of mucins in mucus.
Their small, circular gills, located on the flanks far posterior to the mouth, require the moray to maintain a gap to facilitate respiration.
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