The Harlequin Tuskfish is a hardy and undemanding fish in captivity. ... They generally ignore sessile invertebrates, but large specimens are capable of eating small fish, shrimp and crabs.

What do tusk fish eat?

Diet. The harlequin tuskfish is a carnivore, eating mostly benthic invertebrates such as echinoderms, crustaceans, molluscs, and worms.

Are Harlequin tusks jumpers?

Like other wrasse species, Harlequin Tuskfish can be jumpers and require a system with a sealed top or tight fitting lid to prevent escape and injury.