Harlequin Tusk Care Guide
Choerodon fasciatus · Saltwater Wrasse

What Harlequin Tusk look like
The Harlequin Tusk (Choerodon fasciatus) exhibits a striking coloration characterized by a vibrant blue-green body adorned with bold orange and yellow vertical bands. This species can reach a maximum adult size of approximately 12 inches (30 cm) in length. Sexual dimorphism is evident, with males typically displaying more vivid coloration and larger, more pronounced tusk-like teeth compared to females. The dentition is particularly notable, featuring elongated canine teeth that are adapted for crushing hard-shelled prey. The fish possesses a robust, laterally compressed body with a slightly pointed snout, and its dorsal fin is long and continuous, contributing to its agile swimming capabilities. Additionally, the Harlequin Tusk has a prominent lateral line system that aids in detecting vibrations in the water, enhancing its predatory efficiency.
Behavior & temperament
The Harlequin Tusk is known for its semi-aggressive temperament, often establishing a dominant hierarchy within its social structure, particularly in larger aquaria. It typically inhabits the mid to lower levels of the reef, exhibiting a territorial nature, especially during breeding periods. Breeding behavior involves elaborate courtship displays, where males may showcase their vibrant colors to attract females. This species is generally solitary but can be found in small groups during feeding. The Harlequin Tusk is an active forager, often seen hunting for crustaceans and mollusks among the reef substrate, demonstrating a high level of adaptability in its hunting techniques.
Diet & feeding
In the wild, the Harlequin Tusk primarily feeds on hard-shelled invertebrates, including crustaceans and mollusks. In captivity, it requires a diet rich in meaty foods such as shrimp, clams, and other seafood to maintain its health and vibrant coloration.
Behind the name
The genus name 'Choerodon' is derived from the Greek words 'choiros' meaning 'pig' and 'odous' meaning 'tooth', referring to the fish's distinctive tusk-like teeth. The species name 'fasciatus' comes from the Latin 'fascis', meaning 'band' or 'stripe', indicative of its banded coloration.
Plan your tank
Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.
Keeping Harlequin Tusk?
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