Forty-five thousand dollars worth of prizes is up for grabs including a spot prize of a Yamaha outboard motor worth $3200 provided by Tasman Marine.
There are prizes for the biggest fish in each category including snapper, blue cod, gurnard, kahawai, tarakihi, john dory and trevally. Plus $600 worth of dive gear for the biggest crayfish.
The contest kicks off on Saturday, April 15 and continues on the Sunday. Boats are to leave the dock by 7am and are due back each day by 3pm.