rock salmon

noun

1. (formerly) any of several coarse fishes when used as food, esp the dogfish or wolffish: now called rockfish or catfish

Example Sentences

We are not unfamiliar with that trick in the UK – those catsharks Matthew is throwing back would once have ended up in chip shops as rock salmon.

From The Guardian

It seemed to blame the catfish personally for not being a rock salmon.

From Project Gutenberg