http://swfsc.nmfs.noaa.gov/frd/HMS/Large%20Pelagics/Sharks/species/common%20thresher.htm

• They are considered to be harm less but two boat attacks have been reported.
• The litter size sizes are usually 4. The size of the babies are 3.7 to 4.9. Shark babies are called "pups."
• The powerful tail has injured swimmers and it is use too stun pray or kill it. And it has knock over people standing near schools of fish in shallow waters
• The Thresher Shark are usually not aggressive, but can be provoked.
• The eggs stay inside the female till the babies are ready.
• The Thresher Shark is hunted for there meat and fins.
• Thresher Sharks swim from the surface to depths of 1,150 feet.
• The Thresher Shark is an "open ocean shark."
• It is also called a blue Thresher, Green Thresher, long Tail Shark, and Fox Shark.
• The long tail can strike fishmen too.