bluntheaded wrasse

Scientific name Thalassoma amblycephalum
Descriptor Bleeker
Year of description 1856
IUCN category LC
Family Labridae
Genus Thalassoma
Thalassoma amblycephalum Thalassoma amblycephalum


Thalassoma amblycephalum, commonly known as bluntheaded wrasse, is a salt water fish.

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Who is it?


  • Type
  • Average size
    14 cm
  • Maximum size
    16 cm
  • Pattern
    rayure horizontale
  • Type
  • Average size
    14 cm
  • Maximum size
    16 cm
  • Pattern
    rayure horizontale

How to recognize the bluntheaded wrasse ?

The bluntheaded wrasse measures around 14 cm. The dominant males can however reach 16 cm. This fish is multicolore with a predominantly jaune and vert body. The also has jaune rayure horizontale.

Sexual dimorphism

The adult male is bigger than the female.

Behaviour & Life cycle

  • diet
  • Sociability
    living in a group or alone
  • territorial
  • Way of living

The bluntheaded wrasse is a fish living in a group or alone naturally found near the bottom. This species is carnivorous .

This species is territorial and does not appreciate the presence of intruders nearby, especially animals with similar behavior. It can also be virulent toward conspecifics. However, the bluntheaded wrasse has little concern for non-territorial animals.


  • Reproduction
    ovipare qui pond en eau libre
  • Hermaphrodite

The bluntheaded wrasse is a fish ovipare qui pond en eau libre. always born female. Growing up, individuals will change sex to become male, this is called successive hermaphroditism of the protogynous type.

Harmless species

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

Where to find it?

Where to see this species?

What is its habitat?

Natural environment characteristics

  • Temperature
    24 - 28 °C
  • Depth
    1 - 15 m

Biotope presentation

The bluntheaded wrasse is most often found at a depth between 1m and 15m. 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.

Benoit Chartrer

Benoit Chartrer


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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Where to see this species?

Scientific partners

Species of the same family

Same genus

Species of the same biotope

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