WILL IT BITE?! - Giant Bloodsucking Parasite!

The video explores the threat of invasive sea lampreys in the Great Lakes, detailing their biology, history of invasion, and impact on local fish populations. The host conducts an experiment to determine if sea lampreys pose a threat to humans by allowing them to attempt to feed on him. Despite their fearsome reputation, the lampreys do not feed on human blood, suggesting they are not a threat to humans. The video concludes with a discussion on successful control efforts to manage sea lamprey populations.

What new insight or understanding did you gain from this video?