For several years, the presence of Least Brook lamprey eels (Lampetra aepyptera), a sensitive species of non-parasitic freshwater lamprey, has been casually observed in tributary streams surrounding ...

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

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