Sealife guideThe Mediterranean moray eelMuraena helena

Last updated on 08/21/2024 at 10:42 PM
The Mediterranean moray eel (Muraena helena)
The Mediterranean moray eel (Muraena helena)
There are more than 200 species of moray eels distributed across 15 genera.
Taxonomy
  • Common name: Mediterranean moray eel, moray eel
  • French name: Murène commune, murène méditerranéenne
  • Spanish name: Morena
  • Scientific name: Muraena helena (Linnaeus, 1758)
  • Family name: Muraenidae
  • Order name: Anguilliformes
  • Class name: Actinopterygii
Description
The Mediterranean moray eel can reach up to 5 feet in length. The moray eel has an elongated, snake-like body that is flattened vertically.
The Mediterranean moray eel has sharp teeth and an excellent sense of smell
The Mediterranean moray eel has sharp teeth and an excellent sense of smell
Its skin is smooth and scale-less. Its dorsal, caudal and anal fins form a single undulating crest.
The moray eel lacks both pectoral and pelvic fins.
The moray eel has sharp teeth and an excellent sense of smell.
The Mediterranean moray eel has a dark brown body with yellow spots.
Geographic range
The Mediterranean moray eel is found in the Mediterranean Sea and in the Atlantic Ocean from Africa to the British Isles.
Habitat
The Mediterranean moray eel lives in rocky crevices. It is mostly sedentary but has several shelters among the rocks where it can be found.
The moray eel can be found from the surface to depths of around 330 feet.
Diet
The Mediterranean moray eel feeds on fish, crustaceans and octopuses which it hunts at night.
The Mediterranean moray eel has an elongated, snake-like body that is flattened vertically
The Mediterranean moray eel has an elongated, snake-like body that is flattened vertically
Reproduction
Due to their nocturnal nature, the reproduction of the Mediterranean moray eel is still not well understood. The female lays eggs - about 0.2 inches in size - between July and September which hatch into small, flattened and transparent larvae.
Did you know ?
The Mediterranean moray eel regularly opens and closes its mouth to oxygenate its gills.
The mediterranean moray eel is listed as many other marine species within The IUCN Red List of threatened species. The mediterranean moray eel appears in the IUCN Red List since 2015 within the category Least Concern !
Tips for observing
Approach the Mediterranean moray eel gently without disturbing it and avoid placing your hand near its head. This will help you avoid a bite which could quickly become infected without careful disinfection.
The Mediterranean moray eel regularly opens and closes its mouth to oxygenate its gills
The Mediterranean moray eel regularly opens and closes its mouth to oxygenate its gills
Within the same family
Banded moray (Gymnothorax rueppelliae)
Banded moray
(Gymnothorax rueppelliae)
Chain moray (Echidna catenata)
Chain moray
(Echidna catenata)
Laced moray eel (Gymnothorax favagineus)
Laced moray eel
(Gymnothorax favagineus)
Lipspot moray (Gymnothorax chilospilus)
Lipspot moray
(Gymnothorax chilospilus)
Snowflake moray (Echidna nebulosa)
Snowflake moray
(Echidna nebulosa)
White eyed moray (Gymnothorax thyrsoideus)
White eyed moray
(Gymnothorax thyrsoideus)
Yellowmouth moray (Gymnothorax nudivomer)
Yellowmouth moray
(Gymnothorax nudivomer)
Zebra moray (Gymnomuraena zebra)
Zebra moray
(Gymnomuraena zebra)
Discover also
Angler (Lophius piscatorius)
Angler
(Lophius piscatorius)
Dogtooth tuna (Gymnosarda unicolor)
Dogtooth tuna
(Gymnosarda unicolor)
Dragonface pipefish (Corythoichthys haematopterus)
Dragonface pipefish
(Corythoichthys haematopterus)
Gray triggerfish (Balistes capriscus)
Gray triggerfish
(Balistes capriscus)
Kole tang (Ctenochaetus strigosus)
Kole tang
(Ctenochaetus strigosus)
Passer angelfish (Holacanthus passer)
Passer angelfish
(Holacanthus passer)
White grunt (Haemulon plumierii)
White grunt
(Haemulon plumierii)
Zebra angelfish (Genicanthus caudovittatus)
Zebra angelfish
(Genicanthus caudovittatus)
The marine species in the Mediterranean Sea
Giant salp (Salpa maxima)
Giant salp
(Salpa maxima)
Light bulb sea squirt (Clavelina lepadiformis)
Light bulb sea squirt
(Clavelina lepadiformis)
Long-finned pilot whale (Globicephala melas)
Long-finned pilot whale
(Globicephala melas)
Mediterranean slipper lobster (Scyllarides latus)
Mediterranean slipper lobster
(Scyllarides latus)
Ornate wrasse (Thalassoma pavo)
Ornate wrasse
(Thalassoma pavo)
Ringneck blenny (Parablennius pilicornis)
Ringneck blenny
(Parablennius pilicornis)
Small red scorpionfish (Scorpaena notata)
Small red scorpionfish
(Scorpaena notata)
Violet sea urchin (Sphaerechinus granularis)
Violet sea urchin
(Sphaerechinus granularis)
Best scuba diving destinations
Port-Cros island
Port-Cros island
Port-Cros National Park
Port-Cros National Park

Our latestUpdates

The skunk cleaner shrimp
Friday, August 28th 2026
The skunk cleaner shrimp
Discover the skunk cleaner shrimp (Lysmata amboinensis), a small tropical shrimp famous for cleaning parasites and debris from reef fish.
The islands of Japan: an archipelago of a thousand faces
Wednesday, August 26th 2026
The islands of Japan: an archipelago of a thousand faces
Discover the islands of Japan, a vast archipelago with diverse landscapes ranging from volcanic islands and tropical beaches to traditional villages and the major islands of Honshu, Hokkaido, Kyushu, and Shikoku.
The common European lobster
Monday, August 24th 2026
The common European lobster
Discover the common European lobster (Homarus gammarus), a large crustacean found in the cold and temperate coastal waters of the Northeast Atlantic. Learn about its distinctive features, habitat, diet, and fascinating reproductive biology.
Photo of the Day
Brochet de mer (Centropomus undecimalis)
Brochet de mer
(Centropomus undecimalis)