Articles tagged with Marine Fishes
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A new study by Stanford researchers suggests that park-like tsunami defenses, featuring strategically arranged green hills along coastlines, can provide an effective alternative to towering seawalls. These designs prioritize coastal access, ecological function, and community well-being while offering improved risk mitigation benefits.
A new study predicts that future 'blobs' will exacerbate climate change impacts on fish stocks, causing biomass to decrease and distribution shifts. This could lead to significant declines in fisheries sectors along the west coast of Canada and USA.
A study led by HKU marine biologist Dr Celia Schunter reveals that reef fishes are directly affected by heatwaves, but their responses vary greatly among species. The research tracked the molecular response of five species to the 2016 heatwave conditions on the Great Barrier Reef.
A University of Queensland-led international study found that at least 26% of the world's oceans need urgent conservation attention to preserve Earth's marine biodiversity. The study identified a total ocean area required for conservation varying from 26-41%, depending on species range conservation proportions.
Researchers found that expansion of Pacific Remote Islands and Papahanaumokuakea marine national monuments increased catch per unit effort for the Hawaii-based longline industry, showing no significant economic losses. The study controlled for factors like ocean conditions and regulations to assess impacts on the fishery.
A global distribution map of fish genetic diversity has been created, revealing uneven distribution across marine and freshwater species. Temperature plays a key role in shaping genetic diversity among marine fish, while habitat complexity and changes over time are crucial for freshwater species.
A study reveals that effective fisheries management can increase fish stock abundance and reduce yield loss from overfishing. In regions with less developed management, high fishing pressure results in a three-fold greater harvest rate compared to well-managed areas.
A new fossil stingray, Lessiniabatis aenigmatica, has been discovered with an exceptional anatomy that differs from living species. The find provides insights into the evolution of these animals and their recovery in marine ecosystems after the end-Cretaceous mass extinction.
A recent study reveals that inland fisheries are providing vital micronutrients and animal-source protein to sustain 159 million people. The global economic value of inland catch is estimated at $24 billion, highlighting its importance in local rural economies.
A new UN high-seas treaty could effectively manage all fish species in international waters if it includes measures to address non-targeted species. The proposed treaty must close gaps in biodiversity governance to protect over 95% of deep ocean fish species that currently have no assessments.
Researchers found an optimal management scenario that benefits both winter-run chinook salmon and threatened green sturgeon by releasing warmer water in the spring and cold water in the summer. This strategy minimizes harm to young green sturgeon while meeting the needs of downstream agricultural users.
A new study finds that restricting inshore potting for crab and lobster within marine protected areas generates a win-win for both fishermen and the environment. Crab caught in low-potting areas were found to be heavier than those caught in areas with medium-high potting levels or unfished control areas.
A new study reveals that the world's marine fisheries form a single network with over $10 billion worth of fish caught in another country each year. The study shows that ocean regions are connected through larval dispersal, highlighting the need for international cooperation to conserve natural resources and ensure food security.
Commercial fishers believe they can play a key role in reducing marine litter, with many already participating in initiatives like Fishing for Litter. The study found that fishers are passionate about their seas and believe collective action is needed to address the issue.
Researchers found that a specific gene, Fads2, helps marine stickleback synthesize DHA, essential for development and health. The ability to utilize this nutrient determines where fish colonize freshwater habitats.
The global fishing fleet increased from 1.7 million to 3.7 million vessels between 1950 and 2015, with a significant expansion in Asia. Meanwhile, catch per unit effort (CPUE) decreased globally, except for Oceania, where it increased.
Researchers found that variations in a single gene led to changes in phosphorus release and calcium uptake in fish, potentially triggering ecosystem-wide effects. The study suggests a link between genetic variation and ecological implications, highlighting the importance of understanding how species adapt to their environments.
A new study suggests that snoek species may recolonize the Beagle Channel and Southern Western Atlantic, negatively impacting hake populations and regional economies. Researchers analyzed ancient zooarcgaeological remains to reconstruct trophic networks in the region.
Researchers found that female Magellanic penguins are more likely to be stranded along the South American coast due to their northward migration. The study suggests that females are at greater risk of encountering threats such as water pollution and marine transport hazards, leading to increased stranding.
A team of researchers at Dartmouth College has created a more sustainable feed for aquaculture by replacing fishmeal with a marine microalga co-product. The study found that the co-product had higher protein content and digestibility of essential amino acids, including omega-3 fatty acids.
A recent study found that high seas fisheries play a negligible role in addressing global food security, with only 60% of species caught being targeted for human consumption. The majority of high seas catch is sold to countries like the EU, US, and Asia.
Researchers developed models that predict the month-by-month movements of longline fishing fleets on the high seas. These predictions can help regulatory agencies pinpoint potential hotspots where by-catch risks are greatest and take proactive measures to reduce accidental kills.
Researchers found that recreational scallop harvesting disrupts native sea turtle behavior, causing them to change their distribution and habitat use. The study suggests that reducing boat density and implementing measures to avoid turtle collisions could minimize ecological damage.
A study evaluates ocean characteristics that influence fisheries bycatch on the US west coast, threatening ecological and economic sustainability. The analysis revealed an increased bycatch risk for protected species, including cetaceans and sea turtles, in areas with dynamic physical structures.
The SYMBIOSIS system integrates acoustic and optical technologies to monitor schools of fish in deep waters, providing reliable information on fish stocks and their movements. The system will inform fishing policy development and enhance protection of the marine environment.
A new study reveals that bigger female fish produce significantly more offspring than smaller ones, with a scaling pattern where larger mothers produce exponentially more eggs. This finding has implications for fisheries management and suggests that larger fish are crucial for replenishing marine populations.
A new report in Science shows that larger females invest disproportionately more in the number of eggs and size of individual eggs. This finding is critical for fisheries management, suggesting a focus on reducing fishing pressure on large fish rather than small ones.
A new research project aims to support small-scale fisherman livelihoods while achieving national and international conservation goals. The project builds on the successful Lyme Bay project, which showed that conservation gains can be achieved while benefiting local fishermen.
A UCLA-led team of biologists reports that a six-mile-wide asteroid crash 66 million years ago created an enormous evolutionary void for marine fish to diversify. Today's rich biodiversity among marine fish shows the fingerprints of this mass extinction, with six major acanthomorph groups producing almost all marine fish diversity.
Ocean conditions off the US West Coast are returning to average after a marine heat wave, but salmon catches remain depressed. Feeding conditions have improved for sea lions and seabirds, while plankton species have shifted back towards fat-rich, cool-water species beneficial for fish growth.
A team of scientists has confirmed a new species of sixgill sharks in the Atlantic Ocean, based on genetic testing. The discovery was made using mitochondrial genes and found significant differences between the Atlantic and Pacific/Oceanic species.
A record-breaking marine heatwave, lasting 251 days and seven times larger than Tasmania, was driven by a surge of warm water in the East Australian Current. Climate change made this event several times more likely, with temperatures 2.9°C above normal.
A newly discovered ancient reptile from Switzerland shows its unique scale armor for the first time. The Eusaurosphargis dalsassoi has a life on land skeleton despite being found with fish and marine reptiles.
A study highlights challenges and opportunities of fishery management in China, promoting institutional reform for sustainable marine resource management. The researchers recommend new institutions, secure fishing access, policy consistency, educational programs, and increased public access to scientific data.
A new species of twirler moth, Neopalpa donaldtrumpi, has been discovered in California and Baja California, Mexico. The moth's yellowish-white scales on its head were used to create an amusing reference to Donald Trump's hairstyle.
A joint study by Chinese and international researchers recommends new institutions for science-based fisheries management, secure fishing access, and policy consistency across provinces. The authors believe that China's 13th Five-Year Plan provides a policy platform for the protection of marine ecosystems and restoration of fisheries.
Scientists have discovered a new species of coral-reef fish, Tosanoides obama, that lives exclusively within the Papahānaumokuākea Marine National Monument. The fish is special because it is the only known species of coral-reef fish endemic to the Monument.
A new study by the University of Southampton uses jellyfish to track marine animals' movements and locations, providing a powerful tool against food fraud. The research can also be used to maintain healthy sustainable fish stocks and ensure consumer confidence in marine eco-labelling.
A recent study reveals that marine fisheries catches in the Turks and Caicos Islands are being under-reported by 86%, threatening the marine environment and local livelihoods. The research calls for urgent policy action to establish more accurate catch limits, taking into account both commercial and local consumption of seafood.
A study finds that fishing closures in Indonesia's shark sanctuary increase shark abundance, while also forcing fishermen to fish in unprotected areas, often turning to illegal practices. Ecotourism may provide an alternative livelihood, but its impact on fishing pressure and illegal activity is uncertain.
Bioluminescence has evolved independently 27 times in 14 major fish clades, underscoring its importance to vertebrate fish in the deep seas. The phenomenon is found throughout the ocean and is used for signaling, camouflage, and species recognition.
A new species of goby, the Godzilla goby, has been discovered in the southern Caribbean by the Smithsonian Institution's Deep Reef Observation Project (DROP). The fish features bright yellow and orange colors, a large head, and unique dental structure.
A study published in PLOS ONE found that bioluminescence may have evolved independently 27 times in 14 major fish clades, indicating its importance for fish survival. The researchers suggest that bioluminescence is a useful trait that has led to the diversification of many fish species.
A recent study by Newcastle University has found that finfish populations have declined drastically over the last 65 years due to uncontrolled fishing, with five species now fighting for survival. The research highlights the urgent need for action to protect coral reefs and the ecosystem as a whole.
A combined dietary supplement of marine fish oil, cocoa extract, and phytosterols could potentially prevent atherosclerosis by inhibiting key processes associated with its progression. The study found that combining these ingredients helped halt the progression of atherosclerosis in cell-based models.
Most US marine fish and invertebrate species are vulnerable to climate change, with some more resilient than others. The study ranks species based on their vulnerability, predicting widespread distribution shifts and potential impacts on abundance and productivity.
New research published in Environment & Behavior found that watching aquariums and fish tanks can improve physical and mental wellbeing. The study showed noticeable reductions in blood pressure and heart rate, with higher numbers of fish helping to maintain attention for longer.
The expansion of no-take marine reserves in Australia's Great Barrier Reef Marine Park has led to an increase in fish numbers and sizes, particularly coral trout. However, researchers emphasize that no-take reserves alone are not enough to protect the reef from other threats such as pollution, sedimentation, and climate change.
A new study reveals that Gentoo penguins are better adapted to deal with climate change than Chinstrap penguins, which may be struggling due to declining krill populations. The research suggests that Gentoo penguins' diverse and flexible diet is helping them thrive in a changing environment.
Researchers found hundreds of juvenile whale sharks gathering on coral reefs near Saudi Arabia, providing a rare insight into their daily lives and movements. The study tracked the sharks' movements over years, revealing frequent deep dives and a sex ratio of 1:1 at the site.
A new species of sea bass was discovered off the coast of Curacao after DNA barcoding revealed a match between its larval stage and adult, previously unknown species. The discovery highlights the importance of exploring underexplored deep-reef ecosystems in the southern Caribbean.
A comprehensive review of global marine turtle fisheries reveals that over 42,000 turtles are caught annually through legal means. This number is largely driven by the green turtle species, with the majority coming from the Caribbean and Indo-Pacific regions.
The Wildlife Conservation Society has improved African basket traps with escape gaps, reducing bycatch and increasing fish size. The new design caught larger fish while allowing undersized and non-target species to escape.
NOAA's Marine Debris Program awarded $967,000 to 11 groups for locally driven marine debris prevention and removal projects. The projects will remove derelict fishing nets, litter, lumber, tires, and other harmful marine debris from shorelines and coastal waters.
Researchers found that photochemical reactions break down mercury at the surface, but it's converted to its toxic form at deeper depths. This process affects ocean fish and the human seafood supply, with implications for reducing mercury emissions.
Researchers at the University of Maryland Center for Environmental Science have successfully developed a completely vegetarian diet that supports fast-growing marine carnivores like cobia and gilthead sea bream. This breakthrough could significantly ease aquaculture's reliance on wild-caught fish, making the industry more sustainable.
A new study published in PLOS ONE found that winter flounder populations in Long Island's bays are experiencing severe inbreeding due to low effective numbers of breeders. This has significant implications for fisheries management and the long-term survival of these marine fish.
A Smithsonian scientist has found that similar color patterns in fish larvae indicate a closer evolutionary relationship among species than their adult forms. The research, published in the Zoological Journal of the Linnean Society, reveals phylogenetic connections between marine fish species.
A new study developed by Scripps Institution of Oceanography argues that problems lie in seeking answers one factor at a time, as scientists have done for decades. The researchers argue that using novel mathematical methods can help avoid misleading conclusions by considering dynamic linkages between factors.
Researchers used acoustic monitoring to record cod grunts in the wild for the first time, finding that male cod produce low-frequency sounds during spawning season. The study provides insights into cod behavior and distribution, informing conservation efforts.