Most sharks only have five gill slits, but the sevengill shark evolved with seven. Scientists still cannot explain exactly ...

The man bitten by a shark off Cape Cod this month said Tuesday he escaped by punching the powerful predator in the gills after it clamped down on his leg. In his first interview since the Aug. 15 ...

Sharks have between 5 and 7 gill slits located on the side of their head. Sharks have long captured our fascination with their sleek bodies, sharp teeth, and predatory success. Yet, beneath this ...

Dozens of sharks washed ashore in North Carolina -- all of them bleeding from their gills and mouths. North Carolina Department of Environmental Quality's Division of Coastal Management said the more ...