Recreational fishers may be required to report their catch in some of New Zealand's most popular fishing spots.
The measure was being considered as part of the Government's proposed recreational fishing parks in the Hauraki Gulf and Marlborough Sounds, according to a memo released to the Labour Party under the Official Information Act.
The two fishing parks were announced ahead of the 2014 election and would ban commercial fishing of some species.
In a consultation paper published in January, the Ministry of Fisheries proposed "monitoring the recreational fishing experience" within the parks.
An internal memo said that this could include requiring fishers to report their catch.