Snapped! Tag reveals fish’s 20-year history

Snapped! Tag reveals fish’s 20-year history

The snapper contained a tag – known as a passive integrated transponder (PIT) – that was implanted into the fish on 21 February 2002 by NIWA principal technician Derrick Parkinson, who incidentally still works at NIWA.

8 Conservation Writing Awards for Cool Green Science

8 Conservation Writing Awards for Cool Green Science

We hope that you enjoy this selection of the winning entries, with stories on everything from the love lives of bowerbirds to whitefish conservation, from glow-in-the-dark mammals to fishing in mountain hotspots full of freak invasives.

How Scientists Fish: The Hand Line

How Scientists Fish: The Hand Line

“You’ll know,” says Kydd Pollock, fisheries science manager for The Nature Conservancy and research leader for the Fishing for Science program at Palmyra Atoll.He had substantial experience with a form of hand line: He tagged more than 2,500 sharks at Palmyra using the method.

Stories from Palmyra: The Recapture

Stories from Palmyra: The Recapture

On the next Fishing for Science trip in February of this year, a scientific angler caught a bluefin trevally that had been tagged on February 6, 2020, at liberty for 753 days.Giant trevally caught and tagged on a Fishing for Science trip in February 2022.

Fishing for Science on Palmyra Atoll

Fishing for Science on Palmyra Atoll

© Kydd Pollock / TNC My fishing partner, Kawika Auld, a master angler from Hawaii, is already by the side of the boat, gloves on and ready to go.After 10 days, we had tagged more than 240 trevally, more than any previous Fishing for Science trip.

Passing FAD: Partnership Protects the Reef at Palmyra Atoll

Passing FAD: Partnership Protects the Reef at Palmyra Atoll

That is thanks to an innovative partnership called FAD Watch Program between conservation and industry, specifically the US tuna fishing fleet, that is remotely tracking FADs to protect Palmyra, and provide important oceanographic data as well.

Snapper on the rise

Snapper on the rise

Thirty years of management informed by a raft of scientific research appears to now be paying dividends.In the Hauraki Gulf, commercial and recreational fishers are reporting improving catches, and NIWA scientists will soon be able to estimate whether the highly valued Hauraki Gulf snapper population is seeing a similar increase.

Big Gulp: Blue Catfish Eats Wood Duck

Big Gulp: Blue Catfish Eats Wood Duck

“The bay at the time was in a degraded condition, and fisheries managers thought blue catfish could provide something for people to fish for,” says Crum.

10 Writing Awards for Cool Green Science

10 Writing Awards for Cool Green Science

We hope that you enjoy this selection of the winning entries, with stories on everything from cassowary excrement to native trout conservation, from mothing as a hobby to essays on our childhood love of campground critters and The Crocodile Hunter.

A Third of Shark and Ray Species May Face Extinction

A Third of Shark and Ray Species May Face Extinction

The health of “entire ocean ecosystems” and food security is in jeopardy, said Dulvy, a former co-chair of the shark specialist group of the International Union for Conservation of Nature (IUCN).The number of species of sharks, rays, and chimaeras, known together as chondrichthyan fishes, facing “a global extinction crisis” has more than doubled in less than a decade, according to the paper published September 6 in the journal Current Biology.

In Red Dead Redemption, the Wild West Is a Refuge

In Red Dead Redemption, the Wild West Is a Refuge

Now, 3 years and a pandemic later, the base game itself and the online multiplayer mode Red Dead Online (RDO) continue to capture player’s attention through the story, characters, and open world exploration that Red Dead Redemption has come to be known for.

The End of Trash Fish

The End of Trash Fish

My friend, a visiting fish biologist, was thrilled to catch species new to him, like chiselmouth, largescale sucker and northern pikeminnow.It’s time to put the term “trash fish” in the trash, where it belongs, and give these fish the respect (and management) they deserve.

50 Fish, 50 States: Freaks in the Hot Springs

50 Fish, 50 States: Freaks in the Hot Springs

© Matt Miller4 of 9Tilapia can now be caught in many warm springs, urban rivers and canals across the United States.Miller9 of 9African jewel cichlid, an exotic species common in Florida waters as well as in warm springs in the western United States.

FAO - News Article: FAO report maps insights from and threats to Indigenous Peoples’ food systems

FAO - News Article: FAO report maps insights from and threats to Indigenous Peoples’ food systems

25 June 2021, Rome - The Food and Agriculture Organization of the United Nations (FAO), together with the Alliance of Bioversity International and The International Center for Tropical Agriculture (CIAT) released today a new study identifying hundreds of diverse plant and animal species that Indigenous Peoples around the world depend on and care for to generate food sustainably and enhance biodiversity - and warning of increasing threats to these sophisticated food systems.

Bed Tricks, Cod, and the Hidden History of Catfishing

Bed Tricks, Cod, and the Hidden History of Catfishing

The numberless catfish who now course through social media , the ones who devastate lives with sophisticated online masquerades, exist to beguile and disturb.In this way, she is akin to Nev's catfish, Angela, who turned him from a defeated dropout to a man with a purpose.

Offshore Energy Gets a Second Wind Under Biden

Offshore Energy Gets a Second Wind Under Biden

But the Bureau of Ocean Energy Management delayed the project’s approval to review the cumulative impact of US offshore wind farms, while the company itself pulled its application to choose a different kind of turbine.

50 Fish, 50 States: Whitefish & the End of the World as We Know It

50 Fish, 50 States: Whitefish & the End of the World as We Know It

© Jacob Karst I’m on a quest to catch a fish in each of the 50 U.S. states – and to use each adventure as a means to explore conservation, the latest fisheries research and our complicated connections to the natural world.

Seabirds spend nearly 40% of their time on high seas, study finds

Seabirds spend nearly 40% of their time on high seas, study finds

NIWA seabird ecologist Dr David Thompson says while seabird tracking research has not been carried out for all albatrosses and large petrels in New Zealand, we know that several species also spend time in Chile and Peru, in Japan and the USA in the north Pacific Ocean, while others visit Namibia and South Africa.

Digitized Data Conserves Africa’s Great Lake Fisheries

Digitized Data Conserves Africa’s Great Lake Fisheries

“If you inadequately monitor these fisheries resources, successful and sustainable management cannot take place in a timely manner,” says Dr. Richard Ogutu-Ohwayo, who has studied and worked on Africa’s Great Lakes for over 40 years and is currently the Executive Director of AFLANET, the African Lakes Network.

50 Fish, 50 States: Cutthroat Connections

50 Fish, 50 States: Cutthroat Connections

I’m in Wyoming with my friend Brett Prettyman, a communications director for Trout Unlimited, to check out cutthroat fishing and conservation.

The Cool Green Holiday Book Review 2020

The Cool Green Holiday Book Review 2020

This book tells stories of restoration at all scales, “from a small plot between sidewalk and curb to areas large enough to be labeled on a world map.” She spends time with people who, faced with seemingly insurmountable challenges, look to nature for solutions.

50 Fish, 50 States: Yellowstone’s Native Fish

50 Fish, 50 States: Yellowstone’s Native Fish

We essentially recognized that stocking westslope cutthroat and grayling in the Upper Gibbon was assisting their adaptation to climate change, and ensuring a future for native fish in the park for generations to come.”.

Cool Green Fall Book Review

Cool Green Fall Book Review

And Burke spends time understanding what motivates guides and their clients to destroy family ties and friendships in pursuit of fish.It’s a story in the tradition of Ahab and Santiago, and one of the more enjoyable fishing books I’ve read this year.

An Overlooked Threat to Freshwater Fisheries? Bowfishing

An Overlooked Threat to Freshwater Fisheries? Bowfishing

The authors, Jason Schooley and Dr. Dennis Scarnecchia, describe it as “a call to action for states to begin managing and monitoring bowfishing.” I also consider it a call for all of us who value native fish, whether as anglers or biodiversity advocates.

A Field Guide to Freshwater Fish Watching

A Field Guide to Freshwater Fish Watching

But the southeastern United States has the diversity of freshwater fish species (and other wildlife) to make a trip comparable to saltwater snorkeling.In the Northwest, there is a fish viewing window at Bonneville Dam. Salmon can be watched, from a distance, spawning in a number of rivers.

Eat, Prey, Love: Fast Facts on the Remarkable Praying Mantis

Eat, Prey, Love: Fast Facts on the Remarkable Praying Mantis

The mantis I’m watching uses one ear and two 3-D eyes to search my yard for food and mates.If those images don’t match in front of a mantis, it doesn’t care as long as there’s movement.

50 Fish, 50 States: Silver Creek Preserve

50 Fish, 50 States: Silver Creek Preserve

© Hamilton Wallace / TNC I’m on a quest to catch a fish in each of the 50 U.S. states – and to use each adventure as a means to explore conservation, the latest fisheries research and our complicated connections to the natural world.I’ve fished the trico hatch on Silver Creek numerous times.

A.I. Helped Uncover Chinese Boats Hiding in North Korean Waters

A.I. Helped Uncover Chinese Boats Hiding in North Korean Waters

“Most of the vessels operating do not use this and are ‘dark,’ meaning they don’t appear in public surveillance systems, and the ones that did broadcast did so relatively infrequently,” says David Kroosdma, director of research and innovation at the international nonprofit Global Fishing Watch and coauthor of the study.

AI Helped Uncover Chinese Boats Hiding in North Korean Waters

AI Helped Uncover Chinese Boats Hiding in North Korean Waters

“Most of the vessels operating do not use this and are ‘dark,’ meaning they don’t appear in public surveillance systems, and the ones that did broadcast did so relatively infrequently,” says David Kroosdma, director of research and innovation at international nonprofit Global Fishing Watch and co-author of the study.

13 Writing Awards for Cool Green Science

13 Writing Awards for Cool Green Science

Photo © Tiomax80 / Flickr CGS writer Justine Hausheer is an avid photographer and nature-lover, and social media helps her engage with those passions in her daily life.