Invasive fish and mussels team up to transfer toxic substances into Great Lakes walleyes
Saturday, April 10, 2010 - 08:06
in Earth & Climate
Two notorious Great Lakes invaders - the zebra mussel and the round goby - now play a central role in transferring toxic chemicals called PCBs up the food chain and into Saginaw Bay walleyes, one of that region's most popular sport fish...