Bear Grylls hosts a survival television series called Man Vs Wild. Each episode documents Bear Grylls efforts to survive in the wilderness and find a way back to civilization, usually requiring an overnight shelter.

In this snippet from the episode filmed in Ecuador, Bear Grylls shows how to fish for piranha in order to survive. Piranha provides for a nutritious, protein packed meal.

David Attenborough – Hunter-Gatherer Persistence Hunt