Sealife guideThe green moray eelGymnothorax funebris
Last updated on 07/29/2025 at 10:02 PM
The green moray eel is one of the most recognizable species of moray eels, thanks to its distinctive greenish coloration and one of the most iconic inhabitants of the coral reefs in the western Atlantic ocean.
Taxonomy
English names
Green moray eel
French namesMurène verte
Spanish namesMorena verde
Scientific nameGymnothorax funebris (Ranzani, 1839)
FamilyMuraenidae
OrderAnguilliformes
ClassActinopterygii
Description
The green moray eel has a characteristic green color that comes from a yellow mucus secreted by its skin, which mixes with the bluish hue of the underlying skin.

The green moray eel (Gymnothorax funebris)
The body of the green moray eel is elongated like that of a snake and lacks both pelvic and pectoral fins. As adults, they typically measure around 4 to 5 feet in length, but some individuals can reach over 8 feet long.
Geographic range
The green moray eel inhabits the tropical and subtropical waters of the western Atlantic ocean, ranging from the coasts of North Carolina down to Brazil, including the Caribbean and the Gulf of Mexico.
Habitat
The green moray eel is a benthic species found in coral reefs, lagoons, shipwrecks and underwater rock crevices at depths of up to about 165 feet. It is mostly active at night, although it may partially emerge from its shelter during the day.
Highly territorial, the green moray eel often returns to the same shelter for extended periods. It sometimes coexists with cleaner shrimp, such as the banded cleaner shrimp (Stenopus hispidus), which remove parasites from its skin and mouth.
Diet
The green moray eel feeds primarily on fish, cephalopods and crustaceans. It can actively hunt or lie in wait to ambush its prey. It has a dual-jaw system: a fixed primary jaw and a second, mobile pharyngeal jaw that allows it to grasp and swallow prey with remarkable efficiency.
Reproduction
The green moray eel is an oviparous species, with external fertilization. The eggs hatch into planktonic larvae that drift in the ocean for several months before undergoing metamorphosis.
Did you know ?
The green moray eel is listed as many other marine species within The IUCN Red List of threatened species. The green moray eel appears in the IUCN Red List since 2015 within the category Least Concern !
Tips for observing
Despite their bad reputation, green moray eel attacks are rare. However, it’s important to keep your distance and avoid touching them, as green morays can deliver serious bites with its sharp teeth.
Within the same genus

Banded morayGymnothorax rueppelliae

Grey morayGymnothorax griseus

Kidako moray eelGymnothorax kidako

Laced moray eelGymnothorax favagineus

Lipspot morayGymnothorax chilospilus

Undulated morayGymnothorax undulatus

White eyed morayGymnothorax thyrsoideus

Yellowmouth morayGymnothorax nudivomer
Within the same family

Chain morayEchidna catenata

Fangtooth morayEnchelycore anatina

Mediterranean moray eelMuraena helena

Ribbon eelRhinomuraena quaesita

Snowflake morayEchidna nebulosa

Zebra morayGymnomuraena zebra
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