Simon Pierce, who has studied whale sharks globally, said he has photographed suspected mating scars on female sharks in St.

JAMESTOWN, St. Helena — (AP) — Whale sharks shouldn't be hard for scientists to find. They are enormous — they are the biggest fish in the sea and perhaps the biggest fish to have ever lived.

The whale shark (Rhincodon typus) is a slow-moving, filter-feeding carpet shark and is the largest known extant fish species. The largest confirmed individual measured 18.8 meters (61.7 feet) in ...

Weighing up to several tons, whale sharks are also notable for their markings. Each pattern of spots is unique and scientists identify individual fish using computer programs first developed to ...