Lake trout in some northern Ontario lakes aren’t as big as they used to be, and a geneticist says it’s because of another fish, you likely didn't know was an invasive species.

Creepy Fish Species Invades U.S. Waters, Now Residents are Being Told to Kill the Creature on Sight The predatory fish can grow up to 3 feet long, slither across land and breathe air By ...

Northern snakehead fish, invasive species that can survive on land, ... In this May 16, 2012, file photo, a snakehead fish is caught in a canal in Weston, Fla. Joe Raedle/Getty Images, FILE.

We are modernizing Ontario’s world-class fish culture and stocking program making sure we are best positioned to meet current and future needs,” said Graydon Smith, Minister of Natural Resources.

Instead, they should take a side view photo, kill the fish, double bag it, freeze it, and contact LDWF’s Aquatic Invasive Species Hotline for further instructions at (225) 765-3977 or ...