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 Andrew Quinn

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

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