The human danger for sharks

Published: July 25, 2019, 8 p.m.

A global project tracking sharks through the deep oceans has found they are increasingly facing danger from fishing fleets. Sharks used to be caught accidentally, but now there is a well-established trade in shark meat and fins, which the researchers say is reducing their numbers.

We look at how tourists might be a useful source for conservation data, And we meet one of the planets smallest predators, is it a plant is it an animal? Well actually it\u2019s a bit of both.

(Photo: Tiger shark. Credit: Barcroft Media via Getty Images)

Presenter: Roland Pease\nProducer: Julian siddle