The New Zealand blue cod is a temperate marine ray-finned fish of the family Pinguipedidae. It is also known as Boston blue cod, New Zealand cod, and sand perch, and by its Māori names, rāwaru, pākiri
1828 diagrams by Georges Cuvier
Parapercis colias female showing brown colour phase, details of the eye and lips.
The sandperches are a family, Pinguipedidae, of ray-finned fishes in the percomorph order Labriformes. Sandperches are benthic fish which normally occur over sand or rubble substrates in shallow seas.