Video: They watched sharks in an aquarium and witnessed something scary | Chronic

A visitor to Antwerp Zoo, Belgium, filmed and posted on his Twitter profile how a black-tip reef shark ate a smaller bull shark. The aquarium employees say that both predatory fish have lived in harmony for several years.

"Maybe he succumbed to his instinct and the attacked bull shark was not good", zoo outfit. "They are still predators, but as a precaution, a second bull shark has been housed in another aquarium", said a local employee.