Moon Wrasse Care Guide
Thalassoma lunare · Saltwater Wrasse
What Moon Wrasse look like
The Moon Wrasse (Thalassoma lunare) exhibits a strikingly vibrant coloration, characterized by a base of iridescent greenish-blue with yellow and orange accents, particularly prominent on the head and dorsal fin. Adult specimens can reach a maximum length of approximately 10 inches (25 cm). Sexual dimorphism is evident, with males typically displaying more vivid coloration and larger dorsal fins compared to females. This species possesses a robust, elongated body with a slightly pointed snout and a terminal mouth equipped with strong, conical teeth adapted for feeding on invertebrates. The dorsal fin is long and continuous, extending from the head to the tail, while the caudal fin is forked, facilitating agile swimming. A notable feature is the presence of a lateral line system, which aids in detecting water movements and vibrations in their environment.
Behavior & temperament
Moon Wrasses are generally social fish, often found in small groups or pairs, exhibiting a hierarchical structure where dominant males establish territories. They are primarily found in shallow reef environments, typically swimming at mid to upper levels of the water column. Breeding behavior involves elaborate courtship displays, where males perform vibrant color changes and fin displays to attract females. They are known for their inquisitive and active nature, often exhibiting a moderate level of aggression, particularly during breeding seasons or when defending territory against intruders. Their behavior includes rapid darting movements and occasional hovering near coral structures, showcasing their adaptability to complex reef habitats.
Diet & feeding
In the wild, the Moon Wrasse primarily feeds on small invertebrates, including crustaceans and mollusks, as well as algae. In captivity, they require a varied diet that includes high-quality pellets, frozen or live foods such as shrimp and marine fish, and occasional vegetable matter to ensure optimal health.
Behind the name
The scientific name 'Thalassoma' is derived from the Greek words 'thalassa' meaning 'sea' and 'soma' meaning 'body', while 'lunare' comes from the Latin word for 'moon', referencing the fish's distinctive coloration.
Plan your tank
Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.
Keeping Moon Wrasse?
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