India, Aug. 27 -- Nature finds various ways of surprising humans, and this time, it came in the form of a sea creature - a rare and one-of-a-kind shark flaunting a bright orange colour. Fishermen spotted the amazing creature near the Tortuguero National Park in Costa Rica. They captured a few pictures of the shark before letting it go.

The pictures were taken last year and shared on a travel company's Facebook page. However, a recent study titled "First record case of free-living xanthism in the nurse shark Ginglymostoma cirratum (Bonnaterre, 1788) from the Caribbean Sea" has brought the shark back into the spotlight.

Scientists say the shark's unusual colour results from a condition called xanthism. However, it is an extremely rare con...