Sharks have a reputation for being solitary killers, but when Spy Hammerhead joins a huge gathering of hammerhead sharks it discovers they can be surprisingly social. This mechanical marvel, propelled by its undulating tail, discovers why they meet together at a remote island off the coast of Colombia. A place where the laws of the food chain don’t seem to apply. Here they take a break from the rigours of the ocean and are groomed by king angel fish. Clip taken from ep 3 'Deep Relationships' of our series Spy in the Ocean. “Spy in the Ocean: Deep Relationships“ premiered Nov 8, 2023, at 8|7c on PBS & YouTube. Spy in the Ocean is also available on iPlayer in the UK. --------------- For full NATURE episodes, check out You can also watch it now in the UK on BBCiPlayer: In this episode our Spies reveal the extraordinary rel
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