 Even sports fisherman discard a lot of non-target and target fish on the bank while fishing.For every 1 pound of the target species caught, up to 5 pounds of unintended marine species are caught and discarded as bycatch.As many as 40% (63 billion pounds) of fish caught globally every year are discarded, and as many as 650,000 whales, dolphins and seals were killed every year by fishing vessels.