It takes a grey nurse shark pup between 6-9 months to develop in the uterus of a female. Young nurse sharks develop a jaw and teeth very early their development and some eat their siblings while still developing within their mother, a phenomenon known as intra-uterine cannibalism. It is uncertain how long it takes grey nurse sharks to reach maturity, but maturity is estimated at between 5 and 13 years. Sharks continue to grow throughout their lives.
Development - Life Cycle: indeterminate growth
- 2004. "Shark Conservation" (On-line). Accessed October 05, 2030 at http://www.deh.gov.au/coasts/species/sharks/greynurse/.
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