A new documentary comes out in late January, outlining the severe impact the invasive species had on fish populations until the late 1950s across the Great Lakes region.

Eels are very plentiful in Loch Ness, with eel DNA found at pretty much every location sampled - there are a lot of them. So - are they giant eels? "Well, our data doesn't reveal their size ...

Lampreys are blood-sucking eel-like creatures ... barriers underwater and giant sieves in rivers, attempting to catch them as they migrated out into the lake. "There was this despair that the ...

KAMPONG PHLUK, Cambodia--Em Phat, 53, studies his eel tanks with ... decay are evident. Fishing nets catch only very small fish, or worse, nothing at all. Families speak of giant fish that are ...

It shows three young people staring eel-like creatures swarming a swimming hole area near ... They included things such as mechanical barriers underwater and giant sieves in rivers, attempting to ...