Silent Streams? Escalating Endangerment For North American Freshwater Fish

Nearly 40 percent of freshwater fish species in North America are now in jeopardy, according to the most detailed evaluation of the conservation status of these fishes in the last 20 years. The 700 fishes now listed represent a staggering 92 percent increase over the 364 listed as "imperiled" in the previous 1989 study published by the American Fisheries Society. Researchers classified each of the 700 fishes listed as either vulnerable (230), threatened (190) or endangered (280). In addition, 61 fishes are presumed extinct.

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