Atlantic Sharpnose sharks are found in the northwestern Atlantic Ocean & Gulf of Mexico. At depths of from surf zone to 280 m (920 ft). They prefer the shallow coastal (less than 12 m) waters during the late spring and summer months. While the seem to prefer the deeper offshore (deeper than 90 m) waters during the winter months. They are found year round from the Carolina coast southward to Florida and into the Gulf of Mexico.
Sources
Froese, Rainer, and Daniel Pauly, eds. (2006). "Rhizoprionodon terraenovae" in FishBase. May 2006 version