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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.....»»

Category: topSource:  physorgJul 5th, 2021

Salmon fishing off California"s coast banned for second year in a row

Salmon fishing off the coast of California will be banned for a second consecutive year, authorities said Wednesday, citing lower fish stocks impacted by drought and wildfires......»»

Category: topSource:  physorgRelated NewsApr 12th, 2024

Developing nutrient-rich fertilizer from toxic ammonia

Researchers have recently found out how to use algae to convert ammonia and nitrates into a nutrient-rich fertilizer or fish feed ingredients......»»

Category: topSource:  physorgRelated NewsApr 11th, 2024

Scientists are grasping at straws while trying to protect infant corals from hungry fish

South Florida researchers trying to prevent predatory fish from devouring laboratory-grown coral are grasping at biodegradable straws in an effort to restore what some call the rainforest of the sea......»»

Category: topSource:  physorgRelated NewsApr 11th, 2024

Smart vest turns fish into underwater spies, providing a glimpse into aquatic life like never before

Traditional techniques for observing fish behavior, largely dependent on vision-based systems, face substantial limitations, such as a confined range of observation and a limited duration of operation underwater. In response to these challenges, a re.....»»

Category: topSource:  physorgRelated NewsApr 10th, 2024

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......»»

Category: topSource:  physorgRelated NewsApr 10th, 2024

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......»»

Category: topSource:  physorgRelated NewsApr 10th, 2024

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.....»»

Category: topSource:  physorgRelated NewsApr 9th, 2024

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.....»»

Category: topSource:  physorgRelated NewsApr 9th, 2024

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.....»»

Category: topSource:  physorgRelated NewsApr 9th, 2024

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......»»

Category: topSource:  physorgRelated NewsApr 2nd, 2024

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.....»»

Category: topSource:  physorgRelated NewsMar 29th, 2024

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......»»

Category: topSource:  physorgRelated NewsMar 26th, 2024

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.....»»

Category: topSource:  physorgRelated NewsMar 25th, 2024

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.....»»

Category: topSource:  physorgRelated NewsMar 25th, 2024

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.....»»

Category: topSource:  pcmagRelated NewsMar 22nd, 2024

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......»»

Category: topSource:  pcmagRelated NewsMar 22nd, 2024

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......»»

Category: topSource:  physorgRelated NewsMar 20th, 2024

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......»»

Category: gadgetSource:  wiredRelated NewsMar 20th, 2024

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......»»

Category: topSource:  physorgRelated NewsMar 19th, 2024

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?.....»»

Category: topSource:  physorgRelated NewsMar 18th, 2024