How fish got their spines
In the movie "A Fish Called Wanda," the villain Otto effortlessly gobbles up all the occupants of Ken`s fish tank. Reality, however, is more daunting. At least one unfortunate fan who re-enacted this scene was hospitalized with a fish stuck in the th.....»»
West Africa"s falling fish stocks: Illegal Chinese trawlers, climate change and artisanal fishing fleets to blame
Average fish catches by traditional fishing communities along the west African coast have declined significantly over the past three decades......»»
3D mouth of an ancient jawless fish suggests they were filter-feeders, not scavengers or hunters
Early jawless fish were likely to have used bony projections surrounding their mouths to modify their mouth shape while they collected food......»»
Study finds schools of fish can make less noise than a solitary swimmer
New findings by Johns Hopkins University engineers working with a high-tech simulation of schooling mackerel, offer insight into why fish swim in schools and promise for the design and operation of much quieter submarines and autonomous undersea vehi.....»»
As fish deaths increase at pumps, critics urge California agencies to improve protections
Powerful pumps that supply much of California's population with water have killed several thousand threatened and endangered fish this year, prompting a coalition of environmental groups to demand that state and federal agencies take immediate steps.....»»
Impact of climate change on marine life shown to be much bigger than previously known
Fish and invertebrate animals are far more affected by warmer and more acidic seawater than was previously known. This is the conclusion of a study co-led by NIOZ marine biologist Katharina Alter, based on a new analysis method published in Nature Co.....»»
NOAA researchers discover new fish species
Dr. Katherine Bemis of NOAA Fisheries' National Systematics Laboratory and her collaborators recently described a new fish species: Emmelichthys papillatus, or the papillated redbait. Its discovery was published in the journal ZooKeys......»»
Study shows common water pollutants cause heart damage in fish
Recent findings highlight the persistence of dihalogenated nitrophenols (2,6-DHNPs) in drinking water, resisting standard treatments like sedimentation, filtration, and boiling. The research demonstrates the severe cardiotoxic effects of these contam.....»»
Using suction cups inspired by fish to listen in on whale conversations
In their ambitious goal to understand and ultimately communicate with sperm whales, research scientists from Project CETI have enlisted the help of unlikely collaborators—clingfish......»»
Citizen scientists contribute vital information about 35 seahorse species
Thanks to diligent observers, seahorses, those enigmatic and charismatic fish, are not only being discovered in new habitats and expanded geographic ranges, they are also being found at new ocean depths. While their capacity for male pregnancy has lo.....»»
How many zebrafish constitute a school? "Three," say physicists
Physicists are also interested in fish—above all when they are researching the formation of structures. A research team from Heinrich Heine University Düsseldorf (HHU) and the University of Bristol (United Kingdom) has examined the schooling behav.....»»
Court upholds California rules to protect fish, but Newsom wants lenient Delta approach
A Sacramento judge upheld a decision by California's water regulator to cut back agricultural and municipal water use from the San Joaquin River. The decision could lend support for future regulations in the rest of the Sacramento-San Joaquin River D.....»»
Feds want grizzly bears back in Washington"s North Cascades
The National Park Service and U.S. Fish & Wildlife Service published a final series of proposals Thursday calling for reintroducing grizzly bears to the North Cascades......»»
Researchers surprised by penned fish responses to robots
Norway leads the world when it comes to the use of robots in the aquaculture sector. But how do these robots actually impact on the fish? Cyberneticist Eleni Kelasidi is surprised by just how much......»»
Illegal Trawlers Are No Match for Undersea Sculptures
Trailing weighted nets across the seabed wrecks fish stocks and kills carbon-capturing seagrasses—but one fisherman’s sculpture project has turned the tide......»»
Largest fish in Missouri"s records caught in Lake of the Ozarks: A 164-pound "dinosaur"
A fisherman on the Lake of the Ozarks brought ashore a world-record paddlefish Sunday that weighed more than 164 pounds—the biggest paddlefish ever caught and the largest fish of any kind in Missouri's record books......»»
Smelling danger in the water: Schreckstoff mystery solved after 86 years
Researchers led by Yoshihiro Yoshihara at the RIKEN Center for Brain Science in Japan have solved a fishy mystery dating back to 1938: What is the schreckstoff—or alarm substance—that fish smell when their shoal-mates are injured?.....»»
Adagio in sea: Coral larvae "settle near sounds of healthy reefs"
Audio recordings of healthy reefs—an underwater chorus of fish songs and crackles from snapping shrimp—may help efforts to restore coral ecosystems harmed by climate and human impacts, scientists said Wednesday......»»
Darwin"s Galapagos island species, protected yet still at risk
Industrial fishing boats hover menacingly on the edges of Ecuador's Galapagos Marine Reserve, where schools of multicolored fish and hammerhead sharks frolic in the protected Pacific waters......»»
Diverse habitats help salmon weather unpredictable climate changes, says study
Restored salmon habitat should resemble financial portfolios, offering fish diverse options for feeding and survival so that they can weather various conditions as the climate changes, a new study shows......»»
Insights into water flow and fish passage through dams offer options for meeting energy, environmental needs
Hydropower dams provide reliable renewable energy, but they also have a direct impact on the environment, especially fish. Adjusting the amount of water spilling over a dam can help fish successfully navigate dams. But spilling more water means less.....»»