Senegal looks to aquaculture as fish stocks dwindle
The Senegalese town of Kayar sits on the doorstep of the vast Atlantic Ocean, but it is a farm located further inland that provides part of its fish production......»»
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.....»»
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......»»
In some classrooms in Senegal, deaf and hard-of-hearing students now study alongside everyone else
Mouhamed Sall stepped to the chalkboard with a glance and quick question in sign language to an assistant. Then he solved the exercise to the silent approval of his classmates, who waved their hands in a display of appreciation......»»
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.....»»
Jellyfish invade Venezuelan waters, worrying fishermen
A thick bloom of varying hues drifts in the turquoise waters of Aragua in Venezuela, a surreal vision attributed to climate change that has decimated fishing stocks......»»
Ocean forests: How "floating" mangroves could provide a broad range of ecological and social benefits
The 2022 report "The State of the World's Mangroves" estimates that since 1996, 5,245 square kilometers of mangroves have been lost due to human activities such as agriculture, logging, tourism development, coastal aquaculture and climate change, and.....»»
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......»»
Invasive Pacific oyster proliferation during Blob marine heat wave portends similar events as seas warm
Pacific oysters, non-native to the United States but farmed in the U.S. for aquaculture, are an invasive species. During the Pacific Blob heat wave in the mid-2010s, as sea temperatures in Washington state's Puget Sound rose to 3°C above average, th.....»»
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.....»»
Scientists discover methods to regulate carbon storage in humus layer of forest in north China
It is estimated that 30% of the world's terrestrial carbon stocks are found in the boreal forest, 60% of which is below ground. Organic soil horizons contain about one-third of the soil carbon. Therefore, the stability of boreal soils is critical to.....»»
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.....»»
Better phosphorus use can ensure its stocks last more than 500 years and boost global food production, study shows
More efficient use of phosphorus could see limited stocks of the important fertilizer last more than 500 years and boost global food production to feed growing populations......»»
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......»»