golden rainbow fish

Scientific name Halichoeres chrysus
Descriptor Randall
Year of description 1981
IUCN category LC
Family Labridae
Genus Halichoeres
Halichoeres chrysus Halichoeres chrysus


Halichoeres chrysus, commonly known as golden rainbow fish, is a salt water fish.

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Who is it?


  • Average size
    10 cm
  • Maximum size
    12 cm
  • Average size
    10 cm
  • Maximum size
    12 cm

How to recognize the golden rainbow fish ?

The golden rainbow fish measures between 10 and 12 cm. This fish is unicolore with a predominantly jaune body.

Behaviour & Life cycle

  • diet
    omnivorous with carnivorous tendency
  • Male sociability
    living in a group or alone
  • Female sociability
    living in small groups
  • territorial
  • Way of living

The golden rainbow fish is a fish living in a group or alone naturally found near the bottom. This species is omnivorous with carnivorous tendency .

Although the golden rainbow fish is non-territorial, it is sometimes aggressive towards other species. In a constant quest for dominance, the dominant males of this species cannot stand each other. The battle between two individuals can be intense and violent. It will result in the submission and sometimes even death of one of the protagonists.


  • Reproduction
    ovipare qui pond en eau libre
  • Polygamy
  • Hermaphrodite

The golden rainbow fish is a fish ovipare qui pond en eau libre. In this species, the dominant males are polygamous and reproduce each season with several females. always born female. Growing up, individuals will change sex to become male, this is called successive hermaphroditism of the protogynous type. This fish protects its eggs from nearby predators.

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
    2 - 70 m
  • Flow
    Medium and Slow

Biotope presentation

The golden rainbow fish is most often found at a depth between 2m and 70m. 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

Théo Guillaume

Théo Guillaume

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.

Bibliographic references

PHOTIC ENTRAINMENT OF CIRCADIAN ACTIVITY PATTERNS IN THE TROPICAL LABRID FISH HALICHOERES CHRYSUS - M. P. Gerkema - J. J. Videler - J. de Wiljes - H. van Lavieren - H. Gerritsen - M. Karel - - 2009.

Two New Indo-Pacific Labrid Fishes of the Genus Halichoeres, with Notes on Other Species of the Genus - John E. Randall - University of Hawai'i Press - 1980.

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