In fish, parents' stressful experiences influence offspring behavior via epigenetic changes

A parent's or grandparent's stressful experiences change how their offspring behave. And it turns out that moms' experiences produce different changes in kids than dads'.

Jennifer Hellmann, Assistant Professor of Biology, University of Dayton • conversation
March 30, 2021 ~5 min

Risk versus reward on the high seas – skinny elephant seals trade safety for sustenance

By measuring how and when elephant seals sleep, researchers were able to figure out how elephant seals change their risk-taking behavior as they gain weight.

Jessica Kendall-Bar, PhD Candidate in Ecology and Evolutionary Biology, University of California, Santa Cruz • conversation
March 17, 2021 ~9 min


Seafood: most Europeans struggle to identify the fish they eat – new study

When fish are out of water, consumers are out of their depth.

Marine Cusa, Research Assistant at Liverpool John Moores University & PhD Candidate in Seafood Traceability, University of Salford • conversation
March 15, 2021 ~5 min

Your favorite fishing stream may be at high risk from climate change – here’s how to tell

Groundwater was once thought to buffer streams from warming, but an inexpensive new technique shows streams fed by shallow groundwater may be just as susceptible as those without.

Danielle Hare, Hydrogeologist, Graduate Research Assistant, University of Connecticut • conversation
March 4, 2021 ~6 min

Clever cuttlefish show advanced self-control, like chimps and crows

A marine version of the Stanford marshmallow experiment helped show cuttlefish can delay gratification.

Alexandra Schnell, Research Fellow, Darwin College, University of Cambridge • conversation
March 3, 2021 ~7 min

How to rebrand a fish so that it sounds tastier

Research suggests that the name of a product affects our perceptions of it – before we have even tried it.

Cathrine Jansson-Boyd, Reader in Consumer Psychology, Anglia Ruskin University • conversation
Feb. 16, 2021 ~5 min

Hundreds of fish species, including many that humans eat, are consuming plastic

As more and more plastic trash permeates the oceans, fragments are making their way into fish and shellfish – and potentially into humans.

Matthew Savoca, Postdoctoral researcher, Stanford University • conversation
Feb. 9, 2021 ~9 min

To make less-harmful road salts, we're studying natural antifreezes produced by fish

De-icing salts help us get around in winter, but they corrode cars, crack roads and contaminate rivers and lakes. Scientists are working to develop better options by imitating natural antifreezes.

Monika Bleszynski, Research Scientist and Adjunct Professor, University of Denver • conversation
Jan. 29, 2021 ~8 min


Oceanic sharks and rays have declined by 71% since 1970 – a global solution is needed

A high seas treaty could help rebuild populations – but time is running out.

David Sims, Professor of Marine Ecology, University of Southampton • conversation
Jan. 27, 2021 ~7 min

How city roads trap migrating fish

A recent US study found tyre chemicals were polluting rivers and poisoning migratory salmon.

Stephanie Januchowski-Hartley, Sêr Cymru Research Fellow in Environmental Sciences, Swansea University • conversation
Jan. 8, 2021 ~5 min

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