Description:Beneath the surface of a small Staten Island pond, a predator was poised to pounce.
Crabbe and his sister Kaitlin came face to face with it while fishing with their grandpa last week.
A fisherman of 50 years, Grandpa Crabbe knew right away and told his granddaughter, "No honey, its not a sunfish! Don't go near it!"
Native only to South America, what the Crabbe family thought they caught was a pirahna, also known as a wolf of the water.(1:43)