by Mary Ann Thomas, Trib Live

While Pennsylvania holds off a threat from two species of Asian carp — invasives known to devour habitat and knock out native fish — another species of Asian carp is headed our way.

For years, environmental agencies have been fighting the scourge of Asian carp, a monster of a fish that can weight up to 40 pounds and jump 3 feet out of the water en masse when a passing motor boat stirs them up.

But a more recently introduced species is making waves: The black carp, from eastern Asia, accidentally was released into the Mississippi and Osage rivers in the 1990s from agricultural ponds where they were introduced to control snails and parasites, according to the U.S. Fish and Wildlife Service.

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