Xiphochilus fasciatus [now Choerodon fasciatus] - The Harlequin Tusk Wrasse More colloquially known as the “Harlequin Tusk” by wrasse fanciers, this fish is a difficult keeper in an aquarium, but a very flashy specimen. Illustrations can’t truly capture the low-level bioluminescence or UV reflection in the live animals. The Harlequin Tusk’s long, sharp teeth would seem to imply a more hostile creature than other wrasse, they’re only semi-territorial, and will tolerate other semi-aggressive fish around (such as blenny and angelfish), so long as no other Harlequin Tusks are present. Their primary foodstuffs consist of small-to-medium sized crustaceans that live in reefs, so they’re not considered “reef-friendly”, though they don’t destroy coral itself. Proceedings of the Zoological Society of London. 1867.

Xiphochilus fasciatus [now Choerodon fasciatus] - The Harlequin Tusk Wrasse

More colloquially known as the “Harlequin Tusk” by wrasse fanciers, this fish is a difficult keeper in an aquarium, but a very flashy specimen. Illustrations can’t truly capture the low-level bioluminescence or UV reflection in the live animals.

The Harlequin Tusk’s long, sharp teeth would seem to imply a more hostile creature than other wrasse, they’re only semi-territorial, and will tolerate other semi-aggressive fish around (such as blenny and angelfish), so long as no other Harlequin Tusks are present. Their primary foodstuffs consist of small-to-medium sized crustaceans that live in reefs, so they’re not considered “reef-friendly”, though they don’t destroy coral itself.

Proceedings of the Zoological Society of London. 1867.

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