Male plainfin midshipman fish take care of their nests and offspring, but climate change is threatening their ability to do so.
Lake Malawi is considered a biodiversity treasure because almost all its species occurs nowhere else on the planet.
Ecosystems can collapse suddenly and totally. Frozen zoos are trying to create archives of genetic material to prevent total extinctions.
A decade of bipartisan research has provided plenty of answers to the problems plaguing the Darling River.
A few decades ago Boston Harbor was one of the nation's dirtiest water bodies. Now, healthier fish in the harbor underscore that a multibillion-dollar cleanup has succeeded.
Algae blooms have killed hundreds of thousands of fish in the last two weeks, but what exactly are they and how do we get them under control?
For the most nutritious and sustainable seafood option, try small ocean fish.
Increase of carbon dioxide in the ocean affects the way fish detect predators, mates or food and could threaten not only individual fish but entire populations.
Drastic oxygen losses in the world's oceans millions of years ago coincided with mass extinctions. Scientists see this as a warning about how climate change could affect oceans today.
The mummichog is a little-known fish that has made significant contributions to biological knowledge.
Food fraud, the centuries-old problem that won’t go away.
The Conversation55.8 MB (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?
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.
Our new invention tackles one of the greatest impediments to fish migration in Australia: culverts, those tunnels or drains often found under roads.
Zebrafish are known for their black and gold stripes, but researchers are still figuring out how pigment cells interact to form these patterns.
When a dam comes down this fall, a team of scientists will be there to track the environmental changes.
When it comes to small-scale fisheries, there is no one route to sustainability. Finding success stories can help map those paths.
Harnessing the awe-inspiring living light and power of bioluminescent organisms could change the human world.
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.
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.
Australia's oceans are warming faster than the global average, and fish are moving south as a result.