David Hall / Longnose filefish feed on coral (Oxymonacanthus longirostris) Fiji.

Pascal Kobeh / Longnose / Harlequin filefish (Oxymonacanthus longirostris) by coral, New Caledonia. Pacific Ocean.

Roland Seitre / Harlequin filefish (Oxymonacanthus longirostris) Aquarium du lagon / Lagoon Aquarium, Noumea, South Province, New Caledonia.

Roland Seitre / Harlequin filefish (Oxymonacanthus longirostris) Aquarium du lagon / Lagoon Aquarium, Noumea, South Province, New Caledonia.

GEORGETTE DOUWMA / Longnose filefish (Oxymonacanthus longirostris) amongst coral, Andaman Sea, Thailand

Juergen Freund / Longnose Filefish {Oxymonacanthus longirostris} sleeping between coral branches, Indo-Pacific

Alex Mustard / Harlequin leatherjacket (Oxymonacanthus longirostris) portrait, Similan Islands, Thailand, Andaman Sea.

Georgette Douwma / Tropical reef fish composite image on black background, Thornback cowfish (Lactoria fornasini), Longnose filefish (Oxymonacanthus longirostris), Blackbarred sandperch (Parapercis tetracantha), Lyretai...

Georgette Douwma / Yellow tropical reef fish composite image on black background, Falcula butterflyfish (Chaetodon falcula), Yellow boxfish (Ostracion cubicus), Golden butterflyfish (Chaetodon semilarvatus), Red Sea clo...

Georgette Douwma / Yellow tropical reef fish composite image on black background, Sailfin tang (Zebrasoma veliferum) juvenile, Pajama cardinalfish (Sphaeramia nematoptera), Three-spot angelfish (Apolemichthys trimaculat...

David Fleetham / Longnose filefish (Oxymonacanthus longirostris) swimming amongst coral, Fiji, Pacific Ocean.

David Fleetham / Longnose filefish (Oxymonacanthus longirostris) on a reef off the island of Yap, Micronesia.