Shipwrecks teem with underwater life, from microbes to sharks

When ships sink, they add artificial structures to the seafloor that can quickly become diverse, ecologically important underwater communities.

Avery Paxton, Research Marine Biologist, National Oceanic and Atmospheric Administration • conversation
Dec. 19, 2023 ~9 min

Stones inside fish ears mark time like tree rings – and now they're helping us learn about climate change

My team studied bluefin tuna otoliths to learn why some populations are recovering faster than others.

Clive Trueman, Professor of Marine Biology, University of Southampton • conversation
Nov. 27, 2023 ~7 min


PFAS 'forever chemicals' are getting into ocean ecosystems, where dolphins, fish and manatees dine – we traced their origins

Scientists found PFAS hot spots in Miami’s Biscayne Bay where the chemicals are entering coastal waters and reaching the ocean. Water samples point to some specific sources.

Olutobi Daniel Ogunbiyi, Ph.D. Candidate in Chemistry, Florida International University • conversation
Nov. 14, 2023 ~7 min

How PFAS 'forever chemicals' are getting into Miami's Biscayne Bay, where dolphins, fish and manatees dine

Scientists discovered PFAS hot spots in the bay and found PFAS in water along the Atlantic coast. In a new study, they traced the chemicals’ origins to help stop the harm.

Olutobi Daniel Ogunbiyi, Ph.D. Candidate in Chemistry, Florida International University • conversation
Nov. 14, 2023 ~7 min

What's the carbon footprint of owning pet fish? An expert explains

New research reveals the environmental impact of keeping tropical fish as household pets – but there are ways to reduce it.

William Perry, Postdoctoral Research Associate at the School of Biosciences, Cardiff University • conversation
Sept. 26, 2023 ~7 min

What social change movements can learn from fly fishing: The value of a care-focused message

Founded in 1959, the membership group Trout Unlimited has changed the culture of fly-fishing and mobilized members to support conservation. Could its approach work for other social problems?

Madeline Toubiana, Associate Professor of Entrepreneurship and Organization, L’Université d’Ottawa/University of Ottawa • conversation
Aug. 28, 2023 ~9 min

How some fish learned to hide behind others to hunt – new research

Trumpetfish are the first known predator to hide behind another animal when hunting.

Sam Matchette, Research Associate in Marine Behaviour , University of Cambridge • conversation
Aug. 7, 2023 ~5 min

In search of the world's largest freshwater fish – the wonderfully weird giants lurking in Earth's rivers

Freshwater megafish numbers have fallen by 94%, according to one study.

Stefan Lovgren, Research Scientist in River Ecosystems, University of Nevada, Reno • conversation
July 25, 2023 ~10 min


Removing dams from the Klamath River is a step toward justice for Native Americans in Northern California

The largest dam removal project is moving forward on the Klamath River in California and Oregon. Tribal nations there have fought for decades to protect native fish runs and the ecology of the river.

Robert Lusardi, Assistant Professor of Wildlife, Fish and Conservation Biology and California Trout-UC Davis Coldwater Fish Scientist, University of California, Davis • conversation
July 12, 2023 ~11 min

Sawfish, guitarfish and more: Meet the rhino rays, some of the world's most oddly shaped and highly endangered fishes

Rhino rays, which are close relative of sharks, are some of the most fascinating – and most threatened – fishes that you’ve never heard of.

David Shiffman, Faculty Research Associate in Marine Biology, Arizona State University • conversation
July 11, 2023 ~7 min

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