Silver Belly Wrasse (Halichoeres leucoxanthus)

The Silver Belly Wrasse (Halichoeres leucoxanthus) is an attractive and active marine fish, admired for its bright yellow upper body and contrasting white to silvery underside. Also known as the Canarytop Wrasse or White Belly Wrasse, this colourful species brings movement and interest to a mature saltwater aquarium. As it matures, its colouration can change, with males often developing more elaborate facial markings.

Native to the Indian Ocean and Andaman Sea, the Silver Belly Wrasse is naturally found around coral reefs, sandy patches and rocky areas. In the aquarium, it spends much of the day exploring live rock and substrate in search of small invertebrates. A mature marine system with plenty of live rock provides useful foraging opportunities and places to retreat when the fish feels threatened.

One of the most important requirements for this species is a soft, fine sand bed. Like many wrasses in the Halichoeres genus, it buries itself in the sand to sleep at night and may dive into it when startled. A secure, tightly fitting aquarium lid is also essential, as wrasses can jump when frightened.

The Silver Belly Wrasse is carnivorous and should be offered a varied diet of marine foods. Suitable options include frozen mysis shrimp, enriched brine shrimp, finely chopped seafood and quality marine pellets or flakes. Feeding small portions several times a day can help maintain its condition and support its natural active behaviour.

This species is generally considered reef-safe with corals, but caution is needed with ornamental invertebrates. It may eat small shrimp, snails, feather duster worms and other small creatures, so it may not be suitable for every reef aquarium. Choose tank mates carefully and avoid housing it with overly timid fish or closely related wrasses that may trigger territorial behaviour.

With its vivid yellow colouration, contrasting pale underside and constant foraging activity, the Silver Belly Wrasse is a rewarding choice for aquarists who can provide a mature aquarium, suitable sand bed and secure cover.

Care at a glance

• Scientific name: Halichoeres leucoxanthus

• Common names: Silver Belly Wrasse, Canarytop Wrasse, White Belly Wrasse

• Adult size: Up to approximately 12 cm

• Origin: Indian Ocean and Andaman Sea

• Diet: Carnivore

• Temperament: Generally peaceful, but may show territorial behaviour

• Reef compatibility: Generally coral-safe; caution with shrimp, snails and feather dusters

• Aquarium: Mature marine aquarium, around 200 litres or larger recommended

• Special requirement: Fine sand bed for sleeping and hiding

• Important: A tight-fitting lid is essential to prevent jumping