Cosmos Wrasse

Cosmos Wrasse

The Cosmos Wrasse is a stunning and energetic reef fish known for its brilliant blend of electric blues, purples, and yellows. Its vibrant colouration and constant activity make it a standout in any marine aquarium. Though peaceful by nature, it may become territorial toward smaller or more passive tank mates if not housed in a suitably sized tank.

Scientific Name:

Halichoeres cosmetus

Reef Safe:

Yes

General Size Specifications:

Usually grows up to 5–6 inches (13–15 cm) in length.

Habitat:

Found in the Indian Ocean and surrounding coral reef areas. Prefers sandy bottoms near coral structures where it can forage and bury itself for sleep or safety.

Approximate Lifespan:

Lives around 5–8 years in captivity with appropriate care and environment.

Feeding and Diet:

The Cosmos Wrasse is carnivorous and thrives on a protein-rich diet including frozen mysis shrimp, brine shrimp, finely chopped seafood, and high-quality marine pellets. It also picks at live rock for microfauna.

Breeding:

Breeding in home aquariums is rare and not well documented. Like many wrasses, it may display sex-changing behaviour in social groups.