This is the moment huge basking sharks stunned tourists by swimming up to their boat on a Cornish river in the latest of several sightings across the UK.
The creatures were caught on video in the estuary in Carrick Roads by AK Wildlife Cruises, a local agency, reports Cornwall Live.
Carrick Roads is the estuary of the River Fal near to Falmouth Harbour - the third deepest natural harbour in the world. A wildlife guide at AK said the rare sight left guests on the cruise - many of whom had never seen a shark before - ecstatic.
The enormous fish can be seen gliding right up to the vessel, swimming away and returning again later with their dark fins bobbing up and down in the water.
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