throwing fish: not a good thing for quality
Has anyone ever considered that throwing the fish as they do at Pike Place Market as a spectacle for the tourists would damage the quality of the fish? Such rough handling of the flesh would not make me want to buy fish from a place that handles it in such a manner. Anyone else ever think this after seeing the performance?
If you follow through with the catch (move your hands / arms in the same direction the fish was moving it gently slows the fish down and does not hurt it.
IMO, if it's missed or dropped, there might be a problem, but if the catcher has good hands, the "spectacles" I've seen at PPM won't damage the fish.
By the time you see it, that fish (and every other for sale) has already been gaffed, clubbed, thrown into at least one tank/hold, tumbled out, slid along a grading table, flopped into a bin, tossed onto ice, flopped again to be cleaned, and flopped yet again to be broken and displayed. Most times in that order.
Are you worried about your eggs getting jostled from henhouse to your local market? You should see what happens to your beef on the killfloor.