THIS is the astonishing moment a researcher spotted a shark that was still hunting for its prey – despite being “half eaten”.

The scientist was startled as he watched the injured beast ravaged in a cannibalistic attack while releasing an oceanic black tip shark into the sea.

Despite being half-eaten by other sharks when scientists released it into the sea, a ‘zombie shark’ has been observed actively seeking for prey.

Image cut from clip

Dr. Mario Lebrato, 35, released the oceanic black tip shark into the sea off the coast of Spain before it was attacked by a group of other sharks, inflicting fatal injuries on the unwary animal.

The zombie shark continued to swim despite being ‘half eaten’

These included many bull sharks, which may weigh up to 400kg, according to the biologist.

Despite the onslaught with a huge chunk of its body missing after being bitten off, the shark fought for its life and attempted to swim away.

The shark struggled for around 20 minutes before eventually succumbing to its injuries

Dr. Lebtrato stated that the shark fought for almost 20 minutes before succumbing to its injuries.

He said: “Sharks eat sharks, that is well known, but it is super difficult to film and document.”