rock cod

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of various groupers, cods, and other marine fishes of rocky habitats.

from The Century Dictionary.

• noun See cod and rockfish.
• noun In California, any scorpænoid fish of the genera Sebastodes and Sebastichthys; also, occasionally applied, there or elsewhere, to fishes of similar form; in New Zealand, a pteropsaroid fish, Parapercis colias.
• noun An Australian fish, Epinephelus dæmeli, of the family Serranidæ: chiefly of New South Wales.
• noun In California, Sebastichthys ruber rimus and other related species, bright red in color.