grey reef shark

Scientific name Carcharhinus amblyrhynchos
Descriptor Bleeker
Year of description 1856
IUCN category EN
Family Carcharhinidae
Genus Carcharhinus
Carcharhinus amblyrhynchos Carcharhinus amblyrhynchos

Introduction

Carcharhinus amblyrhynchos, commonly known as grey reef shark, is a salt water fish.

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Who is it?

Morphology

  • Average size
    170 cm
  • Maximum size
    255 cm
  • Longevity
    25 year
  • Shape
    Oval
  • Average size
    170 cm
  • Maximum size
    255 cm
  • Longevity
    25 year
  • Shape
    Oval

How to recognize the grey reef shark ?

The grey reef shark measures around 170 cm. The females are more imposing and some specimens can reach 255 cm. This fish is tricolore with a predominantly noir, blanc and gris body.

Sexual dimorphism

The female is bigger than the male.

Behaviour & Life cycle

  • diet
    carnivorous
  • Sociability
    living in shoals
  • territorial
    No
  • Way of living
    nocturnal

The grey reef shark 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 grey reef shark is a fish living in shoals. The members of each group are organized around a well established hierarchy. This species is carnivorous . This fish lives mainly at night. Usually, it leaves its hiding place and starts to be active once it gets dark.

Although the grey reef shark is non-territorial, it is sometimes aggressive towards other species.

Reproduction

  • Reproduction
    vivipare

The grey reef shark is a fish vivipare.

Risks for humans

  • Venomous
    No
  • Bite
    Yes

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?

Where to see this species?

What is its habitat?

Natural environment characteristics

  • Depth
    0 - 1000 m
  • Flow
    Strong and Medium

Biotope presentation

The grey reef shark is most often found at a depth between 0m and 1000m. However, it is not impossible to find this species at other depths.

Species of the same biotope

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Species of the same family

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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.

Aurélien Calas

Aurélien Calas

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.

Bibliographic references

Distribution, reproduction and diet of the gray reef shark Carcharhinus amblyrhynchos in Hawaii - Wetherbee BM - Crow GL - Lowe CG - Marine ecology progress series - 1997.

Aggregation behavior of the grey reef shark, Carcharhinus amblyrhynchos, at Johnston Atoll, Central Pacific Ocean - Alistair E. Economakis - Phillip S. Lobel - Environmental Biology of Fishes - 1998.

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Where to see this species?

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Species of the same family

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Species of the same biotope

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