The Thalassoma lucasanum, commonly known as the Cortez Rainbow Wrasse, is a strikingly colourful marine fish native to the eastern Pacific Ocean. This listing features a female specimen in a small to medium size range, perfect for marine aquarists seeking an active and visually captivating addition to their reef or fish-only tanks.
Care Level: Moderate. This species requires stable water parameters and a well-established aquarium.
Temperament: Generally peaceful but can be territorial towards conspecifics or similar wrasse species. Best kept singly or in a harem with one male and multiple females.
Diet: Carnivorous. Feeds on a variety of meaty foods including mysis shrimp, brine shrimp, and finely chopped seafood. Regular feeding promotes vibrant colouration and health.
Minimum Tank Size: 120 litres (approximately 30 gallons) to provide ample swimming space and territory.
Reef Safety: With Caution. While generally considered reef safe, they may prey on small invertebrates such as shrimp and small crabs.
Lighting and Water Flow: Standard marine aquarium lighting and moderate water flow are suitable to mimic their natural habitat.
Placement: Mid to upper water column swimmers. Provide plenty of live rock for hiding and foraging.
Origin: Eastern Pacific, including the Gulf of California.
Maximum Size: Up to 15 cm (6 inches) in length.
Overall, the female Thalassoma lucasanum is a lively and attractive wrasse that adds dynamic movement and colour to a marine aquarium. Ensure compatibility with tank mates and maintain excellent water quality for best results.
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