Reports of illegal fishing activity in Hawke Bay are being taken "very seriously", and have been passed on to the Ministry for Primary Industries (MPI).
Napier MP and Minister for Fisheries Stuart Nash has appealed for anyone with information about crayfish poaching to come forward, after hearing reports of the "insidious" activity.
There are strict rules around crayfish fishing, limited to a daily recreational bag limit of six, with size restrictions for caught crayfish or rock lobster. Under the Fisheries Act, catching and illegally selling crayfish is punishable by imprisonment, or a hefty fine.
Mr Nash said he could not direct MPI operations, but had passed on a "detailed account" about what appeared to crayfish poaching off Waimarama beach.
"The bottom line is what they're doing is highly illegal.