Sharks

<p>Holidaymaker Sarah Craven believes she saw two crocodiles off the coast of Yorkshire - this is a still image taken from the video shared on Facebook.</p>

Read This Holidaymaker spots ‘two crocodiles’ off UK coastline

Read This The types of sharks that can be found in UK waters

Read This Sharks and seahorses are now living in the River Thames

Read This Sharks that glow in the dark have been found off the coast of New Zealand