The New Zealand blue cod is a temperate marine fish of the family Pinguipedidae. It is also known by its Māori names, rāwaru, pākirikiri and patutuki, and by its other names in English, Boston blue cod, New Zealand cod or sand perch.
Blue cod
1828 diagrams by Georges Cuvier
Parapercis colias female showing brown colour phase, details of the eye and lips.
Blue cod in Milford Sound on a bedrock outcrop
Parapercis is a genus of sandperches belonging to the fish family Pinguipedidae.
Parapercis
Parapercis hexophtalma
Parapercis roseoviridis