 Female blacknose sharks grow more slowly, attain a larger ultimate size, and have a longer lifespan than males.In addition, Gulf of Mexico sharks are slower-growing and longer-lived than those from the South Atlantic Bight.In the South Atlantic Bight, both sexes mature at a fork length (from snout tip to caudal fin fork) around , corresponding to ages of 4.3 years for males and 4.5 years for females.