Aquarium bosses stunned after discovering secretive shark has lived undetected in tank for YEARS

Stunned aquarium staff have discovered that a shark they did not know they had has been living undetected in their ocean tank for years.

Staff at Blackpool Sea Life Centre were baffled when two shark eggs were discovered in a tank occupied by sharks which give birth only to live young.

The centre's marine experts speculate that one of several former curators must have introduced a small tropical carpet shark to the display without recording the fact, and it has been in hiding ever since


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