A longnose filefish (Oxymonacanthus longirostris) has a very interesting design pattern.

This is a very shy fish, which typically retreats into the coral upon approach

(Pinball Alley, Makogai Island, Fiji)

fish; filefish; longnose filefish; harlequin filefish; Chordata; sC Osteichthyes; Actinopterygii; sC Neopterygii; iC Teleostei; sO Acanthopterygii; Tetraodontiformes; sO Tetraodontoidei; Monacanthidae; Oxymonacanthus longirostris