Blue cod

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Blue cod
Parapercis colias
Parapercis colias (Blue cod).jpg
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Pinguipedidae
Genus: Parapercis
Species: P. colias
Binomial name
Parapercis colias
Forster, 1801
Blue cod is also a common name for Anoplopoma fimbria (sablefish) in the UK.

The blue cod (Parapercis colias) is a temperate marine fish of the family Pinguipedidae. It is also known variously as Boston blue cod, New Zealand cod, sand perch, or its Māori names rawaru and pakirikiri.

It is exclusively found in New Zealand in shallow waters around the rocky coasts to a depth of 150 m, though it is far more common south of Cook Strait. It is bluish green to blue-black above with white toward the belly. Large examples are usually greenish blue in colour, while smaller ones are blotched in varying shades of brown. An adult may grow to 60 cm in length and weigh from 1.0 to 3.0 kg. It feeds mainly on small fish and crabs. Blue cod is strongly territorial. Spawning takes place in southern spring. Blue cod can also change sex from female to male.

It is a plump fish which produces good fillets, but it has a very low oil content. It can be served battered, crumbed, pan-fried, or baked. It is an important recreational species in the South Island and is commercially harvested. Blue cod populations are managed sustainably under New Zealand’s fisheries quota management system, although are becoming scarce in some small areas due to fishing pressure. Annual catch range is between 1,300 and 2,000 tonnes.

Blue cod


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