Barney Harwood and Gemma Hunt meet some amazing creatures living in Australia's Barrier Reef, from walking sharks to hitchhiking shrimps and squids with jet propulsion. Show more
Discover 11,128,835 listings and 279,775 playable programmes from the BBC
Barney Harwood and Gemma Hunt meet some amazing creatures living in Australia's Barrier Reef, from walking sharks to hitchhiking shrimps and squids with jet propulsion. Show more