cortez rainbow wrasse

Scientific name Thalassoma lucasanum
Descriptor Gill
Year of description 1862
IUCN category (World) LC
Family Labridae
Genus Thalassoma
Thalassoma lucasanum Thalassoma lucasanum


Thalassoma lucasanum, commonly known as cortez rainbow wrasse, is a salt water fish.

This sheet is currently being prepared. The texts currently proposed come from our data model or are being drafted. To request priority for this content, you can write to us HERE.

Who is it?


  • Type
  • Average size
    12 cm
  • Maximum size
    15 cm
  • Pattern
    rayure verticale
  • Type
  • Average size
    12 cm
  • Maximum size
    15 cm
  • Pattern
    rayure verticale

How to recognize the cortez rainbow wrasse ?

The cortez rainbow wrasse measures around 12 cm. The dominant males can however reach 15 cm. This fish is multicolore with a predominantly jaune and rose body. The also has jaune rayure verticale.

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

The cortez rainbow wrasse 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
    ovipare qui pond en eau libre
  • Hermaphrodite

The cortez rainbow wrasse 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?

What is its habitat?

Natural environment characteristics

  • Temperature
    22 - 28 °C
  • Depth
    0 - 60 m
  • Flow
    Medium and Slow

Biotope presentation

The cortez rainbow wrasse is most often found at a depth between 0m and 60m. 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.

Bibliographic references

Aproximación a la dieta de Thalassoma lucasanum (familia Labridae) en el arrecife coralino de La Azufrada, isla Gorgona - Palacios-Narváez, S. - Valencia, B. - Giraldo, A. - Pacífico Oriental Tropical. Bull. Mar. Coast. Res. - 2020.

Efectos de la industria de peces ornamentales en Costa Rica sobre las poblaciones de la vieja de Cortés Thalassoma lucasanum. - McCauley, D.J. - Joyce, F.J. - Lowenstein, J.H. - Ciencias marinas - 2008.

Thalassoma lucasanum - Allen G. - D. Ross Robertson - Edgar, G. - Rivera, F. - Zapata, F. - Merlen, G. - Barraza, E. - Victor, B. - Medina, B. - The IUCN Red List of Threatened Species - 2010.

Labridae. Viejas, doncellasas, señoritas. p. 1201-1225. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols - MARTIN F. GOMON - FAO Fisheries Synopsis - 1995.

Fishes of the Tropical Eastern Pacific - Allen G. - D R Robertson - Hawaii Press - 1994.

Interact with Fishipedia

To get in touch with our team or participate in our project.

Template and content © Fishipedia - Unauthorized reproduction without prior request - ISSN 2270-7247 - Last modification 10/11/2023

Scientific partners

Species of the same family

Same genus

Species of the same biotope

  • {{name}}

    {{#street_number}}{{street_number}}, {{/street_number}}{{#route}}{{route}}{{/route}}
    {{postal_code}} {{town}}