The top ten posts of the week on TreeHugger, from hyperloops to seriously invasive fish

2 of 11

Lloyd Alter (@lloydalter)
Living / Culture
August 17, 2013

2 of 11

Skinny dippers in Scandinavia warned over invasive fish that targets testicles

Really, I don't know where Stephen finds these things.

Henrik Carl, the Museum's resident fish expert, tells The Local that pacu have established a reputation in some parts of the world as a "ball cutter", and have been known to bite off the testicles of unfortunate human victims. "They bite because they're hungry, and testicles sit nicely in their mouth."

Skinny dippers in Scandinavia warned over invasive fish that targets testicles

WHAT'S HOT ON FACEBOOK