Jeremiah Kiarie rounds up tilapia at Green Algae Highland fish farm in central Kenya on April 29, 2017.
Tony Karumba/AFP via Getty Images
Aquaculture is a growing source of healthy protein for millions of people around the world, but there are big differences between farming fish on land and at sea.
A bluestreak cleaner wrasse in an aquarium.
Cleaner fish feed on the parasites that live on other fish. Studying communication between cleaner fish and their clients may help employ them in salmon farms, which can be plagued by parasites.
Stream temperature affects the survival of fish like salmon and trout.
Peter Adams/Avalon/Universal Images Group via Getty Images
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.
Salmon crowd a river in Washington State in the US as they swim upstream to spawn.
A recent US study found tyre chemicals were polluting rivers and poisoning migratory salmon.
Farmed red tilapia, Thai Mueang, Thailand.
Kittichai Boonpong / EyeEm via Getty Images
Fish farms feed millions of people around the world, but they also consume a lot of fish that are dried or ground up to make aquafeed. Researchers are developing more sustainable alternatives.
Sardines are rich in oils and protein.
Photo by Ahmed Nadar for Unsplash
The oils in fish are excellent buffers against disease. Why don't we eat more fish?
Johnnie Henry, president of the Navajo Nation’s Church Rock chapter house community center, hauls drinking water to neighbors in Gallup, N.M., May 7, 2020.
AP Photo/Morgan Lee
Many Native American tribes are reporting high COVID-19 infection rates. State and federal agencies are impeding tribes' efforts to handle the pandemic themselves.
Smoked salmon has been named as the likely source of the recent listeria infections.
Food safety is in the news again, this tiime after reported deaths from listeria after eating smoked salmon. Here's what we know so far and what you can do to cut your chance of getting sick.
We’re fish fanatics, with salmon in our sights.
Fish farming has been criticised for a lack of sustainability – here's what has been changing and what still remains a challenge.
After decades of work, a salmon product engineered to grow faster may be coming to the U.S.
The FDA has given the green light to sell the first genetically engineered animal – farmed salmon –in the US.
Will food laws change as more GM foods are created?
With Gottlieb's departure from the FDA imminent, what should we expect from the FDA? How is it likely to regulate the still controversial genetically engineered foods?
Spawning sockeye salmon make their way up the Adams River near Chase, B.C.
THE CANADIAN PRESS/Jonathan Hayward
Populations of freshwater species are in a state of deep decline. But we know why and we can reverse the trend.
2016’s warm winter meant not enough snow for the start of the Iditarod sled dog race in Anchorage, so it was brought by train from 360 miles north.
For everyone from traditional hunters to the military, the National Park Service to the oil industry, climate change is the new reality in Alaska. Government, residents and businesses are all trying to adapt.
The First Salmon ceremony being performed.
U.S. Department of Agriculture
Indigenous people from around the world revere certain traditional foods as sacred. Activists, scholars and chefs are revitalizing these food systems.
Culverts installed for roads have led to a decline in salmon, which Northwest Indian tribes were ensured access to by treaty.
AP Photo/Ted S. Warren
A Supreme Court case deals with the narrow issue of tribal salmon fishing rights in the Northwest, but raises fundamental questions about justice for American Indians.
Salmon prices are soaring because of sea lice infestations – but new medicine and technology could help.
A brown bear snags a sockeye salmon in Alaska. In warm years, red elderberries ripen early and Kodiak bears leave streams full of salmon to eat them.
Climate change is making berries ripen early in Kodiak, Alaska, luring bears away from eating salmon. This shift may not hurt the bears, but could have far-reaching impacts on surrounding forests.
From turkeys to salmon and brussels sprouts, modern living is putting mounting pressure on the festive feast.
A fish out of time is as bad as a fish out of water.
There has been mounting excitement in recent years around the potential for improving treatments by giving people medicines at the right time of day. Turns out it works for fish too.
Migrating salmon that sprint through water rapids could be at a higher risk of dying. University of British Columbia scientists…