Video above: Will These Animals Play a Role in Cleaning Viruses From the Ocean?Scientists were in for a shock when they encountered a "real life river monster" -- a giant fish believed to be more than ...

Video above: Will These Animals Play a Role in Cleaning Viruses From the Ocean?Scientists were in for a shock when they encountered a "real life river monster" -- a giant fish believed to be more than ...

Deep in the Amazon, a simple hand feeding session with a giant fish takes a crazy turn. At first it feels like a gentle ...