brown moray

Scientific name Gymnothorax unicolor
Descriptor Delaroche
Year of description 1809
IUCN category LC
Family Muraenidae
Genus Gymnothorax
Gymnothorax unicolor Gymnothorax unicolor


Gymnothorax unicolor, commonly known as brown moray, is a salt water fish.

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Who is it?


  • Average size
    80 cm
  • Maximum size
    100 cm
  • Longevity
    20 year
  • Average size
    80 cm
  • Maximum size
    100 cm
  • Longevity
    20 year

How to recognize the brown moray ?

The brown moray measures between 80 and 100 cm. This fish is unicolore with a predominantly marron body.

Behaviour & Life cycle

  • diet
  • Sociability
  • territorial
  • Way of living

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

The brown moray is a fish solitary naturally found near the rocks. This species is carnivorous .

This species is territorial and does not appreciate the presence of intruders nearby, especially animals with similar behavior. However, the brown moray is generally peaceful with non-territorial animals that cannot be potential prey.


  • Reproduction

The brown moray is a fish ovipare.

Risks for humans

  • Venomous
  • Bite

This species can attack if it feels threatened. It is important to be particularly vigilant especially during dives or fishing sessions.

Where to find it?

What is its habitat?

Natural environment characteristics

  • Temperature
    17 - 22 °C
  • Depth
    4 - 20 m

Biotope presentation

The brown moray is most often found at a depth between 4m and 20m. 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 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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Species of the same family

Same genus

Species of the same biotope

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