Among the many dangers faced by Capt. Jack Sparrow (Johnny Depp) on his quest to find the Fountain of Youth in Pirates of the Caribbean: On Stranger Tides is a school of fierce, shark-jawed mermaids led by Astrid Berges-Frisbey. The latest TV spot shines a light on these beautiful, yet very deadly creatures. Check it out below,

B. Alan Orange at Movieweb
B. Alan Orange