LITTLE KNOWN FACTS ABOUT FRESH SALMON.

2003). Coho salmon artificially bred for four generations showed significantly less intense actions as well as a lower typical activity than wild salmon (Fleming and Gross 1992). Hatchery reared salmonids confirmed a weaker antipredator response (Johnsson et al. 1996) and fewer physiological stress due to larger stocking densities (Mazur and Iwama