Epinephelus hexagonatus

Scientific name Epinephelus hexagonatus
Descriptor Forster
Year of description 1801
IUCN category (World) LC
Family Epinephelidae
Genus Epinephelus
Epinephelus hexagonatus Epinephelus hexagonatus

Introduction

Epinephelus hexagonatus is a salt water fish.

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Who is it?

Genus Epinephelus

In 2019, the genus Epinephelus comprised 87 species according to FishBase. These fish are commonly known as "groupers" and belong to the "serranid group" (Serranidae).

They are territorial carnivores with elongated and robust bodies. They have imposing heads with canines in the front of their jaws and protractile mouths. All species possess 10 or 11 dorsal spines.

Most species are found in coral reefs or rocky areas, with some exceptions (such as E. aeneus, E. bruneus, or E. areolatus) living in sandy, muddy, or silty bottoms. Adults are typically observed at depths ranging from 10 to 200 meters. Most Epinephelus are recognized as protogynous hermaphrodites, meaning they are born as females and become males as they grow. However, not all females may change sex, and some males may not go through this commonly accepted stage.

These fish are highly valued commercially for consumption and recreational fishing, but they are vulnerable to overfishing due to their slow growth, late maturity, and the formation of reproductive aggregations. Overfishing, particularly targeting mature individuals, can lead to sex-ratio imbalances and affect reproduction. Several groupers are now the subject of aquaculture farms (especially E. coioides and E. malabaricus).

According to the IUCN, overfishing and pollution have already caused a significant decline in the populations of many groupers, and several species are endangered.

Morphology

  • Average size
    22 cm
  • Maximum size
    27.5 cm
  • Mimicry
    rocky bottoms
  • Pattern
    polygones
  • Average size
    22 cm
  • Maximum size
    27.5 cm
  • Mimicry
    rocky bottoms
  • Pattern
    polygones

How to recognize Epinephelus hexagonatus ?

Epinephelus hexagonatus measures around 22 cm. The dominant males can however reach 27.5 cm. This fish is bicolore with a predominantly marron and beige body. The also has marron polygones.

Sexual dimorphism

The adult male is bigger than the female.

Behaviour & Life cycle

  • diet
    carnivorous
  • Sociability
    solitary
  • territorial
    Yes
  • Way of living
    diurnal

Epinephelus hexagonatus hunts in the stalk and is one of the predators of its biotope. Opportunistic, it does not hesitate to attack any smaller animal nearby.

Epinephelus hexagonatus is a fish solitary naturally found at mid-depth and near the bottom. This species is carnivorous .

Epinephelus hexagonatus is a territorial animal that does not tolerate any incursions into its living area. It is particularly virulent against other territorial species and it can provoke heated fights. Relationships between conspecifics are also hectic, with each seeking to secure its place.

Reproduction

  • Reproduction
    ovipare qui pond en eau libre

Epinephelus hexagonatus is a fish ovipare qui pond en eau libre.

Harmless species

This species does not represent any particular threats to humans when encountered in its natural environment.

Where to find it?

Conservation status of populations (IUCN)

World : LC

What is its habitat?

Natural environment characteristics

  • Temperature
    25 - 29 °C
  • Depth
    0 - 30 m

Biotope presentation

Epinephelus hexagonatus is most often found at a depth between 0m and 30m. However, it is not impossible to find this species at other depths.

Species of the same biotope

To go further

Species of the same family

To read on the web

Sources & Contributions

Participation & Validation

The Fishipedia team and specialist contributors are committed to providing high-quality content. However, although the information comes from scientific sources or testimonials from specialists, the cards may contain inaccuracies.

Adrien Falzon

Adrien Falzon

Translation

Translation done with the valuable contribution of our translators, who make this information available to a wider audience. We sincerely thank them for their commitment.

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Scientific partners

Species of the same family

Same genus

Species of the same biotope

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