Most recreational anglers have returned undersized or unwanted snapper to the sea for years, believing they have given the fish another chance. New research from Fisheries New Zealand provides a timely reminder that while catch and release remains an essential part of responsible fishing, not every released fish survives. The study highlights how the way we fish can make a significant difference to the future of the fishery.
Researchers examined more than 24,000 snapper caught by private and charter boats in the SNA 1 fishery, covering East Northland, the Hauraki Gulf and the Bay of Plenty. More than 60 percent of all snapper caught were released, demonstrating just how important catch and release has become in New Zealand’s largest recreational fishery. By combining these observations with previous survival studies, Fisheries New Zealand estimated that around 248 tonnes of released snapper die each year after release, representing approximately 580,000 fish.
The figures should not discourage anglers from releasing fish. Rather, they reinforce the importance of giving every fish the greatest possible chance of survival. Earlier research found that fish hooked cleanly through the lip and caught in relatively shallow water had high survival rates. Mortality increased significantly when fish were caught from greater depths or were deeply hooked. In other words, the outcome is influenced as much by fishing practices as by the decision to release the fish itself.
For recreational anglers, the message is straightforward. Use tackle appropriate for the species being targeted. Strike promptly to reduce deep hooking. Handle fish with wet hands or a soft landing net where possible. Keep fish out of the water for the shortest practical time and release them gently without unnecessary handling. When fishing deeper water, recognise that fish suffering from barotrauma may have a reduced chance of survival regardless of good intentions.
None of this is new to experienced anglers, but it serves as a useful reminder that stewardship begins at the end of the line. Every fish released in good condition contributes to the future of the fishery. Small improvements in handling, multiplied across hundreds of thousands of releases each year, have the potential to save many thousands of snapper.
New Zealand’s recreational anglers have long demonstrated that they value healthy fisheries for future generations. This latest research does not call that commitment into question. Instead, it provides practical guidance that allows every one of us to become better custodians of the resource. Catch and release remains one of the most important conservation tools available to recreational fishing-provided we give every released fish the best possible chance to swim away and survive.

Good advice. It parallels the statements from F&G about trout. Any saltwater angler who does’nt trout fish should read them.