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
Atlantic Goliath Grouper (Epinephelus itajara)
Atlantic Goliath Grouper
(Epinephelus itajara)
Blacktip grouper (Epinephelus fasciatus)
Blacktip grouper
(Epinephelus fasciatus)
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)
Malabar grouper (Epinephelus malabaricus)
Malabar grouper
(Epinephelus malabaricus)
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)
Gag grouper (Mycteroperca microlepis)
Gag grouper
(Mycteroperca microlepis)
Pacific creolefish (Cephalopholis colonus)
Pacific creolefish
(Cephalopholis colonus)
Peacock grouper (Cephalopholis argus)
Peacock grouper
(Cephalopholis argus)
Redmouth grouper (Aethaloperca rogaa)
Redmouth grouper
(Aethaloperca rogaa)
Discover also
Blackback butterflyfish (Chaetodon melannotus)
Blackback butterflyfish
(Chaetodon melannotus)
Blackstripe cardinalfish (Ostorhinchus nigrofasciatus)
Blackstripe cardinalfish
(Ostorhinchus nigrofasciatus)
Blue-barred parrotfish (Scarus ghobban)
Blue-barred parrotfish
(Scarus ghobban)
Filament-finned prawn-goby (Stonogobiops nematodes)
Filament-finned prawn-goby
(Stonogobiops nematodes)
Horse-eye jack (Caranx latus)
Horse-eye jack
(Caranx latus)
Midnight snapper (Macolor macularis)
Midnight snapper
(Macolor macularis)
Philippines wrasse (Pseudocoris bleekeri)
Philippines wrasse
(Pseudocoris bleekeri)
Saucereye porgy (Calamus calamus)
Saucereye porgy
(Calamus calamus)
The marine species from Mediterranean sea
Cylinder anemone (Cerianthus membranaceus)
Cylinder anemone
(Cerianthus membranaceus)
Five-spotted wrasse (Symphodus roissali)
Five-spotted wrasse
(Symphodus roissali)
Forkweed (Dictyota dichotoma)
Forkweed
(Dictyota dichotoma)
Green sea turtle (Chelonia mydas)
Green sea turtle
(Chelonia mydas)
Noble pen shell (Pinna nobilis)
Noble pen shell
(Pinna nobilis)
Picarel (Spicara smaris)
Picarel
(Spicara smaris)
Red scorpionfish (Scorpaena scrofa)
Red scorpionfish
(Scorpaena scrofa)

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