Moon Wrasse

Thalassoma lunare

Habitat & Distribution : Coral reefs, West Indo-Pacific Ocean

Diet : Zooplankton and smaller fish

Size:  Up to 45 cm 

Lifespan: 5 - 7 Years

Description

The Moon Wrasse appearance differs between the juvenile and adult stages. Juveniles are blue on their lower bodies, featuring black spots in the middle of the dorsal fin and at the base of the tail. In adults, these black spots transform into a distinctive yellow crescent shape. Adults have green bodies with clearly defined scales, and their heads range in color from blue to reddish-purple. Highly active and territorial, they will chase or harass fish that enter their territory. They prefer to forage during the day and rest at night.

Behavior

This fish is highly active and is said to remain in constant motion throughout the day. It is also territorial; it frequently bites, chases, and harasses other fish that cross its path.

As a diurnal animal, the moon wrasse possesses keen eyesight, although its sense of smell is also quite good.

Reproduction

Protogynous hermaphrodite; some females transform into males. Spawning occurs via external fertilization.

Communication & Perception

The green chromis relies on visual perception for its daily activities, including hunting for prey and interacting with other individuals. Its body color and patterns also vary depending on its life stage and sex.

Predator

Larger-sized fish