Sunanda Creagh, La Conversation Canada; Jordan Fermanis, La Conversation Canada; Justin Bergman, La Conversation Canada et Dilpreet Kaur, La Conversation Canada
Food fraud, the centuries-old problem that won’t go away
The Conversation55,8 Mo(download)
Dairy farmers used to put sheep brains and chalk in skim milk to make it look frothier and whiter. Coffee, honey and wine have also been past targets of food fraudsters. Can the law ever keep up?
A three-banded clownfish (Amphiprion ocellaris) navigates the anemones of the Andaman Coral Reef, India.
Ritiks/Wikipedia
Our children all know the little clownfish Nemo, star of the Pixar film. But why does he have three stripes, rather than one or two? Developmental and evolutionary biology are revealing the answer.
When a stream enters a culvert, the flow can be concentrated so much that water flows incredibly fast. So fast, in fact, that small and juvenile fish are unable to swim against the flow and are prevented from reaching where they need to go to eat, reproduce or find safety.
Shutterstock
Harnessing the awe-inspiring living light and power of bioluminescent organisms could change the human world.
Euphanerops, a primitive jawless fish from the World Heritage site at Miguasha, Quebec, which has now been found to have paired hind limb structures and copulatory sex organs.
François Miville-Deschênes with permission
Sexual organs similar to what we see in sharks and rays today appeared many millions of years ago in much more primitive ancient fishes than was previously thought.
A whale shark moves towards a piece of plastic in the ocean.
(Shutterstock)
If we are truly invested in addressing the issue of marine plastic and offsetting the potential harms, we have to understand which fish eat plastic and which ones don’t.
Ocean fish are changing where they live due to climate change.
Annie spratt/Unsplash
How can marine preserves best protect sea creatures that move in and out of them? Two ocean scientists describe new thinking about designing marine protected areas.
Australia was thought to have some of the most sustainable fisheries in the world, but a recent count has found that fish numbers have plummeted by a third.
A 400 million year old fossilised fish skull gives us very early and previously unknown clues about how boney fishes evolved into the vertebrates we see today on Earth - including us humans.
Deron Burkepile, University of California, Santa Barbara et Mark C. Ladd, University of California, Santa Barbara
With coral reefs in crisis around the world, many organizations are working to restore them by growing and transplanting healthy corals. A new study spotlights techniques that help restored reefs thrive.
Seahorse dads can give birth to more than 1000 baby seahorses at once.
Cindy Zhi/The Conversation NY-BD-CC
Executive Director and Professor of Fisheries and River Management, Gulbali Institute (Agriculture, Water and Environment), Charles Sturt University, Charles Sturt University