red cod
noun
1The red codling, Pseudophycis bachus (family Moridae), of waters around New Zealand and southern Australia, which is reddish green above and pink below and turns reddish after death.
2 Canadian the yelloweye rockfish, Sebastes ruberrimus (family Sebastidae), of the east Pacific.
Origin
Early 18th century; earliest use found in John Ray (1627–1705), naturalist and theologian.