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In New Zealand waters, male mako sharks (identifiable by a pair of claspers near the anal fin) far outweigh females in number, but not in size. A female mako may be twice as heavy as a male, and will not reach sexual maturity until she is almost 20 years old. (Males are mature at around nine.) Juveniles are very common in the North Island’s warmer seas, but no one knows where the females give birth. Published in New Zealand Geographic Issue 135 September - October 2015. Richard Robinson © 2015.
- Richard Robinson © 2015 No Reproduction without prior written permission.
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