Take a tour of the South Australian seabed on the back of a sea lion - video

Eight Australian sea lions were enlisted to map the ocean floor by sticking cameras with satellite tracking to their backs. Almost 90 hours of footage and 500km later, conservationists hope to have much clearer ideas on how to protect the sea lions. I can watch this stuff for hours," says Prof Simon Goldsworthy. It's like the best slow TV ever. You just don't know what you're going to see next."

• Best slow TV ever': scientists mount cameras on endangered sea lions to map Australia's ocean floor