In parts of the Mississippi valley, scientists are working to reintroduce a fish they say could prevent the spread of Asian carp. We learn about the role of the fearsome looking alligator gar.
A large fish often described as “prehistoric” looking may play an increasing role in a very modern environmental challenge. With a head resembling an alligator, the alligator gar is a sluggish but hungry predator capable of growing more than 8 feet long and weighing more than 300 pounds.
Scientists say it could play a role in curbing the spread of the Asian carp here in the upper midwest.