The Thalassoma lucasanum, commonly known as the Cortez Rainbow Wrasse, is a strikingly colourful marine fish native to the Eastern Pacific. The male exhibits vibrant hues of green, blue, and yellow, making it a captivating centerpiece in a marine aquarium.
Care Level: Moderate. This species requires stable water conditions and a suitably sized tank to thrive.
Temperament: Generally peaceful but can be territorial towards conspecifics or similar wrasses. Best kept singly or in a well-established community with compatible tank mates.
Diet: Carnivorous. Feeds on a variety of meaty foods including mysis shrimp, brine shrimp, and finely chopped seafood. Regular feeding of high-quality frozen or live foods is recommended to maintain health and colour.
Minimum Tank Size: 120 litres (approximately 30 gallons) to provide ample swimming space and reduce territorial behaviour.
Reef Safe: With Caution. While generally reef compatible, they may prey on small invertebrates such as shrimp or small crabs.
Lighting and Water Flow: Standard marine aquarium lighting and moderate water flow are suitable. Ensure good water quality with stable parameters.
Placement: Mid to upper levels of the aquarium where it can swim freely and display natural behaviours.
Origin: Eastern Pacific, including the Gulf of California and surrounding areas.
Maximum Size: Up to 20 cm (8 inches) in length.
Providing a varied diet and a peaceful community environment will help ensure your Thalassoma lucasanum thrives and displays its full vibrant colours.
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