A Southland business owner argues paua shells often left behind after harvest could support craft, design and small-business value if handled within fishery rules.
Ocean Shell owner Nina Shields holding a polished paua shell in front of a painted underwater mural.
Ocean Shell owner Nina Shields has put a practical business question around one of New Zealand's most recognisable natural materials: could the country do more with paua shells that are often left behind after the meat is harvested? Shields sees potential value in shells that may otherwise be discarded or left unused. The issue sits at the meeting point of food, craft, regulation, sustainability and small business, which is why it belongs in more than a lifestyle column.
Paua is already tightly controlled as a fishery. Ministry for Primary Industries rules cover recreational take, sizes, limits and handling, and commercial activity has its own regulatory framework. Those controls exist because paua is a native species and a valuable seafood resource. But once the edible part has been taken legally, the shell itself can become a secondary material. Shields' argument is that New Zealand should think harder about that secondary value rather than treating shells as waste or leaving useful material on the ground.
The economic opportunity is not only in souvenir trinkets. Paua shell is used in jewellery, inlay, design objects, art, furniture detailing and specialist products where iridescent natural material has value. Small businesses that can process, polish, cut and sell shell products may create local jobs and export opportunities, especially in regions with existing seafood or craft links. For communities, there may also be a way to connect local collectors, artists, schools, marae or social enterprises with material that has cultural and commercial appeal.
The challenge is that good intentions need clean rules. If community groups or businesses collect shells, they need to know what is permitted, how shell origin is documented, how biosecurity and hygiene are managed, and how to avoid creating incentives for illegal harvesting. Any policy change has to protect the fishery first. A market for shells cannot be allowed to become a back door for pressure on paua stocks. The best version of the idea would make productive use of lawful by-product while keeping conservation and enforcement settings strong.
There is also a branding question. Paua is strongly associated with Aotearoa, and many buyers understand it as a New Zealand material. That creates value, but it also creates responsibility. Products made from paua should tell a truthful story about source, sustainability and local work. If shells are processed overseas or sold without provenance, some of that value leaks away. If local operators can show lawful supply and skilled production, the material can support a more credible premium market.
Shields' comments should be read as a prompt for a practical conversation, not a call to loosen all controls. New Zealand has many natural materials that are valuable precisely because they are scarce, distinctive and regulated. Paua shells fit that pattern. The policy task is to separate waste reduction and local enterprise from anything that would undermine the fishery. If that balance can be found, a shell left after dinner or processing could become part of a small circular economy rather than a missed opportunity.
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