Freshwater fish in N. America in peril, study says
Wednesday, September 10, 2008 - 17:56
in Paleontology & Archaeology
(AP) -- About four out of 10 freshwater fish species in North America are in peril, according to a major study by U.S., Canadian and Mexican scientists. And the number of subspecies of fish populations in trouble has nearly doubled since 1989, the new report says.