Jamestown, ND (KCSi-T.V. News Jul 18, 2013) — Additional Silver Carp have been discovered and confirmed by the North Dakota Game & Fish Department in the James River.

Two weeks ago several were caught south of Jamestown.

The Department’ s District Fisheries Supervisor, Fred Rykman says Silver carp entered the James River from the Missouri River during the summer flooding in 2011.

The invasive fish, which leaps out of the water, can wreck eco-systems and create a danger to boaters.

Rykman said they know the carp have survived in North Dakota waters.

Biologist are trying to determine if theSilver Carp can reproduce.