Word: fishly
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...worked 30 years for Canada's Department of Fisheries, a large salmon farm may pour as much liquid waste into the sea as a small city. Add to that the plagues of destructive sea lice that thrive in densely packed salmon pens and the schools of farm-grown fish that inevitably escape to the open sea, where they spread diseases and compete for food and breeding grounds with wild stocks...
Because salmon are voracious eaters of smaller species, it takes several pounds of wild fish, ground up into meal, to yield 1 lb. of farmed salmon--an exchange that depletes the world supply of protein. The diet of farmed salmon lacks the small, pink-colored krill that their wild cousins eat, so the flesh of farmed fish is gray; a synthetic version of astaxanthin, a naturally occurring pigment, is added to the feed...
Aquaculture--the commercial raising of fish--is being touted as a "blue revolution," a seagoing version of the Green Revolution that vastly multiplied agricultural output in underdeveloped countries. But just as the Green Revolution sparked concerns about its reliance on pesticides and chemical fertilizers, so has the blue revolution provoked a rebellion among scientists and environmentalists who fear that the industry, if left unregulated, could wreak havoc in oceans and estuaries. "We are not against aquaculture," says Langer, "but we are against the way it is being done...
...been several decades since there were enough fish in the sea to meet, on a sustainable basis, the growing worldwide demand for seafood--which accounts for 16% of global animal-protein intake, up from 14% in the early 1960s. About half the world's wild fisheries have been exhausted by overfishing. In the North Atlantic, one of the most depleted oceans, populations of popular fish (cod, flounder, haddock, hake and tuna) are just one-sixth of what they were a century ago. A European Union panel last week backed calls for a total ban on the fishing...
Aquaculture was supposed to pick up the slack. It's already the world's fastest-growing food industry, with production increasing more than 10% a year. Farmed fish and shellfish supply 30% of all the seafood consumed worldwide today, up from 10% two decades...