 In the northwestern Atlantic, males mature at a fork length (length from snout tip to caudal fin fork) of and females at , corresponding to ages of 5 and 6 years, respectively.In the Gulf of Mexico, males mature at a fork length of and females at , corresponding to ages of 4 and 5 years, respectively.The maximum lifespan has been estimated to be at least 9 years for males and 14 years for females.