Why fish look down when they swim
Just as you might look down at the sidewalk as you walk, fish look downward when they swim, a new study by a Northwestern University-led international collaboration has confirmed......»»
Predatory fish use rapid color changes to coordinate attacks, scientists discover
Striped marlin are some of the fastest animals on the planet and one of the ocean's top predators. When hunting in groups, individual marlin will take turns attacking schools of prey fish one at a time. Now a new study reported in the journal Current.....»»
How to make Bait Buckets in Lego Fortnite
Fishing with just a rod will get the job done in Lego Fortnite, but if you want a greater chance to catch the rarest fish out there, you need a bait bucket......»»
Where to find Vendetta Flopper in Lego Fortnite
Of all the fish in Lego Fortnite, the Vendetta Flopper is by far the rarest in the school. Fear not, because we can teach you the secrets to making the catch......»»
Norway salmon farms turn to veggie menu
Norway's fish farms are feeding their salmon an increasingly vegetarian diet in order to make their businesses more sustainable, but for these carnivorous pink-fleshed fish, all is not rosy......»»
Study details toxic elements found in stranded whales, dolphins over 15 years
Whales and dolphins get their nutrients and essential elements through their diet. While eating fish, squid, octopus, crustaceans, and other marine mammals, they are also exposed to heavy metal contaminants......»»
Why are fish getting smaller as waters warm? It"s not their gills, finds study
A collaborative team of scientists led by the University of Massachusetts Amherst recently found that there is no physiological evidence supporting a leading theory—which involves the surface area of fish gills—as to why many fish species are "sh.....»»
Mercury levels in tuna remain nearly unchanged since 1971, study says
Tuna is one of the most popular seafoods worldwide. But this protein-rich fish can build up high levels of methylmercury from feeding on contaminated prey, like smaller fish or crustaceans. Despite efforts to reduce mercury emissions into the environ.....»»
Unlocking the energetic secrets of collective animal movement: How group behavior reduces energy costs in fish
Many animals, including apex predators, move in groups. We know this collective behavior is fundamental to the animal's ability to move in complex environments, but less is known about what drives the behavior because many factors underlie its evolut.....»»
Application of ultrasound found to greatly speed up motility of human sperm
A team of engineers at Monash University in Australia has found that exposing human sperm to ultrasound can cause them to swim faster. In their study, published in the journal Science Advances, the group exposed human semen samples to ultrasonic wave.....»»
Fish in the upper Danube could be just as endangered in the future as in the past, but for different reasons
Rivers belong to the most threatened ecosystems on Earth. While many studies have projected climate change effects on species, little is known about the severity of these changes compared to historical alterations......»»
Researchers find having good neighbors and few top predators make predatory fish populations more resilient
A regime shift is gradually spreading through the archipelagos of the Swedish Baltic Sea coast, where shallow bays, previously dominated by pike and perch have one by one become dominated by one of their prey species, the three-spined stickleback......»»
Riverine fish numbers increase amidst environmental challenges
Surprising trends in the abundance and species richness of riverine fish across the globe have been unveiled in a new study......»»
Struggling seabirds thrown a lifeline by new commercial fishing ban in the North Sea—but it may not be enough
With their bright, orange feet and colorful beaks full of glistening fish, puffins are really charismatic seabirds. But puffin populations are in decline, largely due to their struggle to catch enough of these shiny fish: sandeels......»»
Scientists study the behaviors of chiral skyrmions in chiral flower-like obstacles
In nature, the collective motion of some birds and fish, such as flocks of starlings and shoals of sardines, respectively, can generate impressive dynamic phenomena. Their study constitutes active matter science, which has been a topic of great inter.....»»
Examining the range of adulterants that disrupt the hormones of fish and amphibians
The contraceptive pill is obviously not intended for fish and frogs. However, the hormones in the pill and other pharmaceuticals that are not completely broken down in sewage treatment plants can affect aquatic organisms......»»
Permaculture showed us how to farm the land more gently. Can we do the same as we farm the sea?
As wild fish and other marine species get scarcer from overfishing and demand for 'blue foods' grows around the world, farming of the ocean is growing rapidly. Fish, kelp, prawns, oysters and more are now widely farmed. The world now eats more farmed.....»»
More grizzlies in Idaho? Federal proposal could make it happen as Republicans push delisting
U.S. Fish and Wildlife Service officials have moved forward with plans to consider restoring grizzly bear populations to a part of Idaho where they haven't been seen regularly in decades, all while Idaho's governor and congressional delegation contin.....»»
Ultrasound can save fish in hydropower rivers
The phenomenon of gas supersaturation occurs when air enters water-filled hydropower inlets and is then exposed to high pressure. When this water is subsequently released into the river below the hydropower plant, it's almost like opening a bottle of.....»»
Microplastics found in Nile River"s tilapia fish
The Nile is one of the world's most famous rivers. It's also Africa's most important freshwater system. About 300 million people live in the 11 countries it flows through. Many rely on its waters for agriculture and fishing to make a living......»»
Southern pygmy perch starts coming back from the brink
An endangered fish has returned to Bendigo, Victoria, thanks to the help of Flinders University research in collaboration with local community groups......»»