How many fish do the fat bears eat?
In one sitting, the internet-famous fat bear Otis once ate a whopping 42 salmon. That could be some 150,000 calories. Otis, like all the fat brown bears at Katmai National Park and Preserve, must outlast the long winter famine. During hibernation the.....»»
Researchers" video techniques reveal trout"s energy-saving secret
Mimicking animals is a proven strategy in robot design. Take, for example, Haibo Dong's seminal studies on how fins propel fish by churning the water in a vortex......»»
Thailand nets 1.3 million kilograms of invasive fish
Thailand has netted more than 1.3 million kilograms of highly destructive blackchin tilapia fish, the government said Tuesday, as it battles to stamp out the invasive species......»»
Investigation reveals global fisheries are in far worse shape than we thought—and many have already collapsed
When fish are taken from our oceans faster than they can reproduce, their population numbers decline. This over-fishing upsets marine ecosystems. It's also bad for human populations that rely on fish for protein in their diets......»»
Number of fish species at risk of extinction five-fold higher than previous estimates according to new prediction
Researchers predict that 12.7% of marine teleost fish species are at risk of extinction, up five-fold from the International Union for Conservation of Nature's prior estimate of 2.5%......»»
AI peers into the deep: High-resolution 3D tracking of coral reef fish
A study by the Leibniz Center for Tropical Marine Research (ZMT) is employing new methods in coral reef research. Under the leadership of fish ecologist Dr. Julian Lilkendey, an international research team utilized innovative AI technologies to analy.....»»
Study shows pollution affects the growth and behavior of aquatic organisms
Research at the University of Jyväskylä, Finland, reveals that size-based selection, as happens in fishing, may impact the stress tolerance of fish, which in turn has a significant impact on the condition and coping of fish in changing environments.....»»
500 young sturgeon released into Saginaw River system
Five hundred young sturgeon were released at four locations into the Saginaw River system last week as part of an ongoing effort by the Michigan Department of Natural Resources and Michigan State University to rebuild the giant fish's population......»»
"Internet of fish" empowering Lake Victoria women
Along the shores of East Africa's Lake Victoria, in Kenya, women fisherfolk including those known for being victims of sexual exploitation, are harnessing the Internet of Things (IoT) to help them counter their abusers while enhancing their incomes,.....»»
Sharks are taking a bite out of anglers" catch in the Gulf of Mexico, but culling isn"t likely to help
Fishermen across the Gulf of Mexico are reporting that something is eating fish off their lines. What's to blame? Many recreational anglers point a finger at sharks......»»
New fish species discovered in Mauritanian deep-water coral reefs
Together with a European team, researchers from Senckenberg am Meer in Wilhelmshaven have described a new fish species. Gaidropsarus mauritanicus is only about 73 millimeters long and lives in the deep-water coral reefs off the coast of Mauritania......»»
How "winner and loser effects" impact social rank in animals—and humans
Research has shown that in many animals, the winners of a fight are more likely to win subsequent contests, while the losers tend to lose their following fights. In experiments where male stickleback fish were randomly introduced to another fish, 65%.....»»
Survey of nature"s superhero, eelgrass, kicks off California bridge project
Two researchers in an inflatable boat glided out onto Batiquitos Lagoon in Carlsbad, California, August 15, looking for eelgrass, an underwater plant that provides a nursery for fish, crabs, shrimp and other sealife......»»
New AI tool captures how proteins behave in context
A fish on land still waves its fins, but the results are markedly different when that fish is in water. Attributed to renowned computer scientist Alan Kay, the analogy is used to illustrate the power of context in illuminating questions under investi.....»»
A rarely seen deep sea fish is found in California, and scientists want to know why
A rarely seen deep sea fish resembling a serpent was found floating dead on the ocean surface off the San Diego coast and was brought ashore for study, marine experts said......»»
The fish with the genome 30 times larger than ours gets sequenced
Every 10 million years, lungfish have added a human genome's worth of junk DNA. Enlarge / The African Lungfish, showing it's thin, wispy fins. (credit: feathercollector) When it was first discovered, the coelacanth cause.....»»
Exotic eye worm rapidly invades US by spreading from testes of fruit flies
The spread to bears shows the worm is gaining ground and new hosts in the US. Enlarge / An adult Thelazia callipaeda in the eye of a cat. In a battle of bear versus exotic eye worm, the eye worm wins—and that's bad ne.....»»
Fish in Greenland consume more jellyfish than previously assumed, researchers discover
For a long time, scientists assumed that jellyfish were a dead-end food source for predatory fish. However, a team from the Alfred Wegener Institute together with the Thünen Institute has now discovered that fish in Greenland waters do indeed feed o.....»»
International team sequence the world"s largest animal genome: Data help explain tetrapod evolution
Join us as we travel back in time. We have arrived in the Devonian period, some 420 to 360 million years ago. In a shallow area near the water's edge, something happened that would forever change life on our planet: a fish from the class of lobe-finn.....»»
Some solitary mammals have surprisingly social lives: What one researcher has learned from a tiny south African rodent
We probably all know someone who lives a solitary life. But not everyone realizes that there are solitary individuals in the animal kingdom, too. Examples of solitary species are some shrews, and large predators, such as black bears (Ursus americanus.....»»
Our lakes are teeming with parasites. Why that"s good… and bad
If you're a fishing enthusiast, you may have already noticed abnormalities or parasites in the wild fish you catch. In fact, the fish we commonly find in our lakes, such as bass or trout, harbor several species of parasites. Although parasites are a.....»»