Thalassoma hardwicke | M

Thalassoma hardwicke, commonly known as the Hardwicke Wrasse, is a medium-sized, colourful wrasse species popular among marine aquarium enthusiasts. This fish is best suited for experienced hobbyists who can provide a stable environment and ample swimming space.

In the aquarium, the Hardwicke Wrasse is an active swimmer and requires a minimum tank size of 120 litres (approximately 30 gallons) to thrive. It appreciates a well-structured environment with live rock formations offering plenty of hiding places and crevices to retreat to when feeling threatened.

Temperamentally, this species is semi-aggressive and may show territorial behaviour, especially towards other wrasses or similar-shaped fish. It is generally compatible with peaceful community fish but caution is advised when housing with smaller or very passive species.

Diet should be varied and carnivorous, including high-quality frozen or live foods such as brine shrimp, mysis shrimp, and finely chopped seafood. Supplementing with quality marine pellets or flakes designed for carnivorous fish will help maintain optimal health.

Water parameters should be stable, with a temperature range of 24-27°C, salinity at 1.023-1.025 specific gravity, and pH between 8.1 and 8.4. Moderate water flow and lighting suitable for reef tanks are recommended to mimic their natural habitat.

Overall, the Hardwicke Wrasse is a striking addition to a marine aquarium, offering vibrant colour and dynamic movement. With proper care and tank conditions, it can be a rewarding species for marine aquarists.