In southern Africa there are rumours of a deadly fish. It lurks unseen in the eerie waters of the Okavango.
A killer with shark like teeth, there are stories of it hunting in packs, feeding in frenzies on schooling fish, or even human bodies. It sounds like the work of giant piranhas but there’s nothing like that here. Or is there? Extreme angler Jeremy Wade is on a mission to see if he can track down and identify this terrifying river monster.