Common name: Argus wrasse

Scientific name: Halichoeres argus (Bloch & Schneider, 1801)
Wrassereef

General information

The Peacock Wrasse, scientifically known as Halichoeres argus, is a vibrant and active fish that adds both color and dynamism to a saltwater aquarium. It is known for its striking pattern of blue and green hues, interspersed with orange to red spots that resemble the eyespots of a peacock's tail feathers, hence its common name. This species is part of the Labridae family, which is known for its members' cleaning behaviors and important role in maintaining the health of coral reefs.

Details

Recommended minimum tank volume
150 liter (40 gallons)
Salinity
S.G. 1.020 to 1.025
Temperature
22 to 28 °C (72 to 82 °F)
Acidity
pH 8.1 to 8.4
Average size
12 cm (5″)
Care level
Moderate to easy
Diet
Omnivore
Social
Solo
Reefsafe
Yes
Aggression
Semi aggresive
Captive bred
No

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Chordates
    Chordata
  3. Class
    Ray-finned Fishes
    Actinopterygii
  4. Order
    Perch-like Fishes
    Perciformes
  5. Family
    Wrasses
    Labridae
  6. Genus
    Wrasse
    Halichoeres
  7. Species
    Argus wrasse
    Halichoeres argus (Bloch & Schneider, 1801)
  8. Synonyms
    Halichoeres fijiensis Herre, 1935
    Halichoeres leparensis (Bleeker, 1853)
    Julis argus Bennett, 1828
    Julis leparensis Bleeker, 1853
    Julis polyophthalmus Bleeker, 1853
    Julis punctulatus Valenciennes in Cuvier & Valenciennes, 1839
    Labrus argus Bloch & Schneider, 1801
    Labrus guttatus Bloch, 1791
    Labrus guttulatus Lacepède, 1801
    Platyglossus reticulatus Cartier, 1874

Care

Peacock Wrasses are relatively hardy and can adapt to life in captivity if provided with a well-structured environment that mimics their natural habitat. They require a tank with plenty of live rock for hiding and foraging, as well as a sandy substrate where they can bury themselves at night or when feeling threatened. These wrasses are known to jump, so a tightly fitting lid is essential to prevent escape. They thrive on a varied diet that includes small crustaceans, mollusks, and marine-based meaty foods.

Reproduction

In the wild, Peacock Wrasses are protogynous hermaphrodites, meaning they are born female and have the ability to change to male later in life. This usually occurs when there is an absence of a dominant male in the group. In the aquarium, breeding these fish can be challenging due to their complex social structures and the need for precise environmental conditions.

Habitat

Halichoeres argus is commonly found in the Indo-Pacific region, from the Red Sea and East Africa to the central Pacific. They inhabit coral reefs and rocky areas, often seen at depths ranging from shallow waters to about 30 meters. Their natural behavior includes foraging for food among the corals and sand, as well as interacting with other reef inhabitants.