Watch this shark eat another shark in a South Korean aquarium

A photo of a shark in South Korea has gone viral for proving that the female of the species really is the more deadly than the male.

Aquarium owners in Seoul were shocked to witness their female shark eat her male companion.

Shark experts say they are territorial creatures and she devoured her tank mate because he kept bumping in to her.

At aquarium, 7-foot, 3-inch long female shark cannibalizes male shark in tank "turf war" https://t.co/s8nx9pG07z pic.twitter.com/sebMWET6z6

— CBS News (@CBSNews) January 29, 2016

It took the female 21 hours to eat the 5-year-old male, starting with his head.