Type of Salmon, Involved in a Punch-Up Perhaps?

This page is the CodyCross answer for the clue below from Australia, Group 1011, Puzzle 5 (Kuranda Railway).

Question is: Type of Salmon, Involved in a Punch-Up Perhaps?

and the answer is: SOCKEYE

Word Meaning:

SOCKEYE — A small salmon with red flesh, Oncorhynchus nerka, found in the coastal waters of the northern Pacific.

Definitions from Wiktionary.