Sealife guideThe dusky grouperEpinephelus marginatus

Last updated on 08/21/2024 at 10:43 PM
There are several species of groupers found around the world, including the dusky grouper, the big star of the French Mediterranean coast and more generally of the Mediterranean.
Taxonomy
  • Common name: Dusky grouper
  • French name: Mérou brun
  • Spanish name: Mero nebuloso
  • Scientific name: Epinephelus marginatus (Lowe, 1834)
  • Family name: Epinephelidae
  • Order name: Perciformes
  • Class name: Actinopterygii
Description
The dusky grouper measures around 3 feet and can reach up to 5 feet in length.
The dusky grouper has a brownish coloration either solid or mottled with yellow spots depending on the individual
The dusky grouper has a brownish coloration either solid or mottled with yellow spots depending on the individual
Oval in shape, the grouper has a long dorsal fin and is characterized by a mouth surrounded by thick lips.
The dusky grouper has a brownish coloration either solid or mottled with yellow spots depending on the individual.
Geographic range
The dusky grouper is found in the Mediterranean Sea and the Atlantic Ocean, ranging from South Africa to Portugal.
Habitat
The dusky grouper is a sedentary fish that lives close to the seabed, sheltering in rocky crevices or under rocky overhangs.
Its territory typically includes several shelters with one of them being regularly frequented.
The dusky grouper can be found at depths ranging from 16 to 33 feet down to approximately 656 feet.
Diet
The dusky grouper primarily feeds on fish, crustaceans and octopuses.
Reproduction
The dusky grouper has the unique ability to change sex once in its lifetime. It starts as a female at a young age and becomes a male around 10 to 15 years old.
Did you know ?
The dusky grouper can live up to 50 years.
Despite its bulky appearance, it is capable of rapid acceleration to catch its prey.
Fishing with hooks and spearfishing for the dusky grouper (Epinephelus marginatus) are banned along the entire mainland Mediterranean coast. This moratorium on grouper fishing was extended by a prefectural decree on 12/17/2007 until 2013.
Tips for observing
The dusky grouper is not very shy and can be easily approached as long as no sudden movements are made.
Encounter with a dusky grouper
Encounter with a dusky grouper
The video gallery

A dusky grouper (Epinephelus marginatus) waits under the shelter of a rocky overhang

Within the same genus
Brown-marbled grouper (Epinephelus fuscoguttatus)
Brown-marbled grouper
(Epinephelus fuscoguttatus)
Camouflage grouper (Epinephelus polyphekadion)
Camouflage grouper
(Epinephelus polyphekadion)
Greasy grouper (Epinephelus tauvina)
Greasy grouper
(Epinephelus tauvina)
Honeycomb grouper (Epinephelus merra)
Honeycomb grouper
(Epinephelus merra)
Nassau grouper (Epinephelus striatus)
Nassau grouper
(Epinephelus striatus)
Red grouper (Epinephelus morio)
Red grouper
(Epinephelus morio)
Red hind grouper (Epinephelus guttatus)
Red hind grouper
(Epinephelus guttatus)
Speckledfin grouper (Epinephelus ongus)
Speckledfin grouper
(Epinephelus ongus)
Within the same family
Atlantic creolefish (Paranthias furcifer)
Atlantic creolefish
(Paranthias furcifer)
Bluespotted grouper (Cephalopholis cyanostigma)
Bluespotted grouper
(Cephalopholis cyanostigma)
Coney (Cephalopholis fulva)
Coney
(Cephalopholis fulva)
Coral grouper (Cephalopholis miniata)
Coral grouper
(Cephalopholis miniata)
Darkfin hind (Cephalopholis urodeta)
Darkfin hind
(Cephalopholis urodeta)
Pacific creolefish (Cephalopholis colonus)
Pacific creolefish
(Cephalopholis colonus)
Peacock grouper (Cephalopholis argus)
Peacock grouper
(Cephalopholis argus)
Roving coral grouper (Plectropomus pessuliferus)
Roving coral grouper
(Plectropomus pessuliferus)
Discover also
Blue runner (Caranx crysos)
Blue runner
(Caranx crysos)
Lemon damselfish (Pomacentrus moluccensis)
Lemon damselfish
(Pomacentrus moluccensis)
Reticulated damselfish (Dascyllus reticulatus)
Reticulated damselfish
(Dascyllus reticulatus)
Spotted drum (Equetus punctatus)
Spotted drum
(Equetus punctatus)
Tailspot goby (Amblygobius albimaculatus)
Tailspot goby
(Amblygobius albimaculatus)
Ternate damselfish (Amblyglyphidodon ternatensis)
Ternate damselfish
(Amblyglyphidodon ternatensis)
Yellow blotch angelfish (Pomacanthus maculosus)
Yellow blotch angelfish
(Pomacanthus maculosus)
Yellow three-stripe rock-fish (Sebastes trivittatus)
Yellow three-stripe rock-fish
(Sebastes trivittatus)
The marine species from Mediterranean sea
Mediterranean slipper lobster (Scyllarides latus)
Mediterranean slipper lobster
(Scyllarides latus)
Orange-red encrusting sponge (Crambe crambe)
Orange-red encrusting sponge
(Crambe crambe)
Ornate wrasse (Thalassoma pavo)
Ornate wrasse
(Thalassoma pavo)
Red scorpionfish (Scorpaena scrofa)
Red scorpionfish
(Scorpaena scrofa)
Spinous squat lobster (Galathea strigosa)
Spinous squat lobster
(Galathea strigosa)
Spiny starfish (Marthasterias glacialis)
Spiny starfish
(Marthasterias glacialis)
Wide-eyed flounder (Bothus podas)
Wide-eyed flounder
(Bothus podas)
Zebra seabream (Diplodus cervinus)
Zebra seabream
(Diplodus cervinus)

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