Sharks

Ally Connell, 38, was only a mile from shore on a fishing trip when he saw a massive shark fin poking out of the water.

Kayaker spots large shark fin circling around him off UK coast Sophie Wills

Huge shark spotted off coast of St Ives in Cornwall: Footage captures basking shark ‘longer than some boats’

Watch the moment ‘huge shark’ is spotted by tourists in UK waters Will Millar

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.

Holidaymaker spots ‘two crocodiles’ off UK coastline Andrew Quinn

The Thames had been declared 'biologically dead' in 1957 (Photo: Dan Kitwood/Getty Images)

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

The sharks were discovered off the coast of New Zealand (Photo: Shutterstock)

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

Swim with sharks or jump off Japan's highest bridge on thrilling holidays Gay Bolton