 For the first three months after birth, they grow an average of per month.Then, in the winter and spring, the average growth rate decreases to per month until the shark reaches a length of , in which the shark's growth rate increases linearly about per month for about a year.Males mature at the age of 2–3 years at a length of , while females seem to mature at the age of 2.5–3.5 years old, at a length around .