Let Us Eat Fish

By RAY HILBORN
NYT

Seattle

THIS Lent, many ecologically conscious Americans might feel a twinge of guilt as they dig into the fish on their Friday dinner plates. They shouldn’t.

Over the last decade the public has been bombarded by apocalyptic predictions about the future of fish stocks — in 2006, for instance, an article in the journal Science projected that all fish stocks could be gone by 2048.

Subsequent research, including a paper I co-wrote in Science in 2009 with Boris Worm, the lead author of the 2006 paper, has shown that such warnings were exaggerated. Much of the earlier research pointed to declines in catches and concluded that therefore fish stocks must be in trouble. But there is little correlation between how many fish are caught and how many actually exist; over the past decade, for example, fish catches in the United States have dropped because regulators have lowered the allowable catch. On average, fish stocks worldwide appear to be stable, and in the United States they are rebuilding, in many cases at a rapid rate.

The overall record of American fisheries management since the mid-1990s is one of improvement, not of decline. Perhaps the most spectacular recovery is that of bottom fish in New England, especially haddock and redfish; their abundance has grown sixfold from 1994 to 2007. Few if any fish species in the United States are now being harvested at too high a rate, and only 24 percent remain below their desired abundance.

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