Researchers found carbon dioxide to be an effective tool in repelling fish from an area, with all four species tested showing the same response. This non-physical barrier could complement electric fences and increase the likelihood of stopping invasive Asian carp from entering Lake Michigan.
SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalCanadian Journal of Fisheries and Aquatic Sciences·DateJan 23, 2013
A team of economists and fish ecologists found that modern fish passage facilities were unsuccessful in allowing economically important species such as salmon, shad, and river herring to pass through dams. The study highlights the need for dam removals to restore diadromous species populations.
SourceUniversity of Massachusetts Amherst·JournalConservation Letters·DateJan 16, 2013
A new fossil discovery in southern California challenges earlier claims of a 'killer walrus' existing. The ancient creature was found to have a diet rich in fish, contrary to initial estimates that it preyed on marine mammals.
Apple iPhone 17 Pro
Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.
A comprehensive snapshot of pupfish evolution reveals how natural selection drives specialization through the creation of adaptive landscapes. Research shows that species are often limited to generalist feeding styles due to stabilizing selection.
SourceUniversity of California - Davis·JournalScience·DateJan 10, 2013
A new study reveals that fish play a crucial role in recycling nutrients, providing fertilizer for sea grass and algae growth. The research found that fish populations around reefs can cause significant changes in ecosystem productivity.
The California Academy of Sciences has described 137 new species across four continents and two oceans, adding to the complex web of life on Earth. These discoveries strengthen conservation efforts by providing a deeper understanding of evolution and the persistence of life.
SourceCalifornia Academy of Sciences·JournalZootaxa·DateDec 6, 2012
Scientists are studying fish ear bones to understand the impacts of climate change on fish growth and distribution. The otoliths, which record annual growth rings, can provide insights into environmental conditions and help guide conservation efforts.
SourceCSIRO Australia·JournalNature Climate Change·DateNov 27, 2012
Fluke 87V Industrial Digital Multimeter
Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.
A recent study found that reserve-reared fish are less wary of divers and can be caught closer than those living in fished areas. This increased accessibility makes the local fish harvest more sustainable, potentially improving support for marine reserves.
SourceARC Centre of Excellence for Coral Reef Studies·JournalEcology Letters·DateNov 13, 2012
A new species of coelacanth, Reidus hilli, has been identified in Texas, revealing a previously unknown family and providing insights into the evolutionary history of this ancient fish. The discovery sheds light on the diverse history of coelacanths, which have remained largely unchanged for 400 million years.
SourceSouthern Methodist University·JournalHistorical Biology·DateOct 24, 2012
Researchers found that silvery fish have evolved a multilayer structure in their skin containing two types of guanine crystals, allowing them to maintain high reflectivity and conceal themselves from predators. This adaptation could lead to better optical devices, such as LED lights and low-loss optical fibers.
SourceUniversity of Bristol·JournalNature Photonics·DateOct 21, 2012
A VCU study found evidence of fall spawning by Atlantic sturgeon in the James River, a finding that may lead to guidelines and protections for future management and recovery. The research also highlights the need to understand unique ecological traits of the James River population.
SourceVirginia Commonwealth University·JournalTransactions of the American Fisheries Society·DateOct 12, 2012
Apple AirPods Pro (2nd Generation, USB-C)
Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.
A study published in Animal Behaviour found that a hormone similar to oxytocin increases responsiveness to social information and promotes cohesion in fish. The discovery sheds light on the evolution of complex social behaviors in some species.
SourceMcMaster University·JournalAnimal Behaviour·DateOct 9, 2012
AZTI-Tecnalia coordinates two €1.5M research projects on bluefin tuna to study population structure, migrations, growth, and reproduction. These projects will inform ICCAT's conservation efforts in the Atlantic and Mediterranean.
Researchers found that specialized cichlid swim bladder extensions improve hearing by detecting higher sound frequencies, while the size of the swim bladder also plays a crucial role. The study investigated 1,300 cichlid species with varying swim bladder morphologies.
SourceUniversity of Vienna·JournalPLOS ONE·DateAug 8, 2012
SAMSUNG T9 Portable SSD 2TB
SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.
Biologists present a simple way to estimate maximum sustainable yield (MSY) using catch data and species resilience. The new method has been tested on 148 fish stocks with excellent agreement compared to traditional methods.
SourceHelmholtz Centre for Ocean Research Kiel (GEOMAR)·JournalFish and Fisheries·DateJul 16, 2012
Indo-Pacific coral reefs are more resilient due to lower seaweed growth rates and a higher abundance of herbivorous fish, which treats seaweed as a delicacy. The study suggests that these reefs can withstand degradation before being overtaken by seaweeds.
SourceARC Centre of Excellence for Coral Reef Studies·DateJul 12, 2012
Researchers found that males with ant-eating traits have ornament shapes resembling ants, attracting female bites that develop a search image for the food. Sensory drive promotes differences among populations based on species in the community.
Researchers found that BPA alters fish behavior and appearance, leading to inter-species breeding. This process poses long-term ecological consequences, including the potential decline of native species.
SourceWiley·JournalEvolutionary Applications·DateJul 11, 2012
A study led by University of British Columbia researchers found that the EU pays less than it did two decades ago while catching more fish in Madagascar's waters. The total annual income for Madagascar decreased by almost 90% between 1986 and 2010 due to unfair access fees.
SourceUniversity of British Columbia·JournalMarine Policy·DateJul 3, 2012
Creality K1 Max 3D Printer
Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.
Scientists developed the first laboratory system to evaluate pile driving's effect on fish, finding individual blows above a certain sound level can irreparably harm them. The recommended sound threshold aims to minimize harm to marine animals while permitting ocean development.
SourceDOE/Pacific Northwest National Laboratory·JournalPLOS ONE·DateJun 20, 2012
The study of Acanthodes bronni, a 290-million-year-old fossil fish, sheds light on the evolution of early jawed vertebrates. The researchers found that the common ancestor of all jawed vertebrates resembled a shark, with features such as cartilaginous jaws and primitive sensory organs.
SourceUniversity of Chicago Medical Center·JournalNature·DateJun 13, 2012
Researchers found that males vocalize during courtship, with receptive females preferring males associated with playbacks of low-frequency sounds. Females' sensitivity to these sounds varies depending on their sexual receptiveness and hormone levels.
A study found that marine reserves on Australia's Great Barrier Reef produce approximately half of all juvenile recruitment to both reserve and fished reefs. The reserves, which account for just 28% of the local reef area, help sustain valuable fisheries.
Sky-Watcher EQ6-R Pro Equatorial Mount
Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.
The new system identifies fish populations to a forensic level of validation, helping tackle overfishing and illegal fishing. DNA-based tools can be used across the food supply chain and provide an independent method for authenticity testing.
SourceBangor University·JournalNature Communications·DateMay 22, 2012
An international team of scientists assesses 163 grouper species and finds 20 at risk of extinction, while 22 are Near Threatened. Groupers take years to mature and are vulnerable to overfishing and habitat loss.
SourceCalifornia Academy of Sciences·JournalFish and Fisheries·DateMay 9, 2012
A task force report strongly recommends implementing conservative catch limits for 'forage fish' like sardines and anchovies. These small species are crucial prey for larger species, including salmon, cod, tuna, dolphins, whales, penguins, and seabirds.
The team will examine harvests of healthy stocks before and after the catch shares program, assessing whether fishermen are closer to harvesting their full strong-stock quotas. They will also study the impact of risk pools and computer models on cooperation and conservation in fisheries management.
SourceUniversity of California - Santa Barbara·DateMar 20, 2012
Kestrel 3000 Pocket Weather Meter
Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.
Researchers tracked Lake Erie water snakes using Lotek Archival Tags (LATs) to study their habits and diet, finding that they spend more time foraging than previously estimated. The findings suggest that native snake species can help combat the invasive round goby fish population in Lake Erie.
Research reveals that well-enforced marine reserves in the Mediterranean have recovered fish biomass five to 10 times greater than fished areas. However, 'protected' areas with allowed fishing saw no improvement over unprotected sites, highlighting the importance of full conservation measures for recovery.
Researchers use DNA barcoding to identify parasitic worms in canned food, ruling out contamination and ensuring kosher certification. The study's findings confirm that the food remains kosher despite the presence of roundworms.
SourceAmerican Museum of Natural History·JournalJournal of Parasitology·DateFeb 14, 2012
A Yale-led study reveals that tens of millions of years ago, Antarctic fish adapted to new polar conditions and developed 'anti-freeze' proteins. However, today they are endangered due to rapid ocean temperature rises.
SourceYale University·JournalProceedings of the National Academy of Sciences·DateFeb 13, 2012
DJI Air 3 (RC-N2)
DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.
A study by Yale University researchers found that spotted salamanders breeding in contaminated roadside ponds are adapting to their toxic environments through rapid evolution. The salamanders' survival and growth rates improve in these conditions, suggesting they have developed a genetic advantage.
SourceYale University·JournalScientific Reports·DateFeb 1, 2012
Researchers used hydrophones to record 24-hour sounds from the sea floor and found a wealth of biological sounds, including whale and dolphin calls. The study suggests that man-made noise could be a problem for some species, highlighting the importance of passive acoustic monitoring.
Scientists uncover complex fish-coral relationships that have evolved over millions of years, revealing the importance of preserving specific reef types to save coral reefs. The study suggests that protecting the right sorts of reefs is crucial for their survival, and that past mass extinctions can inform conservation efforts.
SourceARC Centre of Excellence for Coral Reef Studies·JournalJournal of Evolutionary Biology·DateJan 22, 2012
AmScope B120C-5M Compound Microscope
AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.
High CO2 levels in ocean water disrupt fish's central nervous system, impairing hearing, smell, turning, and predator evasion. Fish with high oxygen consumption are likely to be most affected.
SourceARC Centre of Excellence for Coral Reef Studies·JournalNature Climate Change·DateJan 20, 2012
Researchers found that hatcheries rapidly select for fish with exceptional survival and adaptation abilities, at the cost of their reproductive success in the wild. This study confirms 'domestication selection' as a primary driver of genetic changes in hatchery-born salmon.
SourceOregon State University·JournalProceedings of the National Academy of Sciences·DateDec 19, 2011
The California Academy of Sciences discovered 140 new species in 2011, including arthropods, sea slugs, fishes, plants, sponges, corals, and a reptile. These findings add to the family tree of life on Earth and provide crucial information for conservation decisions.
SourceCalifornia Academy of Sciences·JournalZooKeys·DateDec 14, 2011
Researchers discovered that some tropical fish can adjust to higher sea temperatures by transmitting information between generations. This allows them to cope with elevated water temperatures, but may have penalties such as smaller offspring and reduced reproduction rates.
SourceARC Centre of Excellence for Coral Reef Studies·JournalNature Climate Change·DateDec 5, 2011
Apple Watch Series 11 (GPS, 46mm)
Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.
Researchers found that several native fish species have incorporated the bloody red shrimp into their diet over multi-seasonal periods. The study suggests these fish are adapting to the invasive species, alleviating concerns about its impact on native populations.
SourceQueen's University·JournalJournal of Great Lakes Research·DateNov 22, 2011
The 2011 survey found a significant increase in young-of-year striped bass numbers in Virginia's Chesapeake Bay, with over 27 fish per seine haul recorded. This strong year class is expected to grow into a sustainable population, benefiting both recreational and commercial anglers.
In a cooperative breeding system, cichlid males who sire offspring defend more effectively against predators and stay closer to the breeding shelter. Subordinate males' helping behavior is linked to direct fitness benefits, including paternity and increased safety.
SourceUniversity of Bristol·JournalPLOS ONE·DateOct 13, 2011
A recent study of Glover's Reef Marine Reserve in Belize found that coral communities showed no significant improvement despite 10 years of protected status. The research revealed declines in coral cover and abundance of juvenile corals, with macroalgae dominating the reef and impeding coral growth.
SourceUniversity of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science·JournalCoral Reefs·DateOct 4, 2011
Two key Southern California fisheries have collapsed due to a combination of overfishing of spawning areas and changes in oceanographic conditions. The study found that despite stable catch rates, the population sizes of barred sand bass and kelp bass decreased by 90% since 1980.
SourceUniversity of California - San Diego·JournalCanadian Journal of Fisheries and Aquatic Sciences·DateSep 26, 2011
Apple iPad Pro 11-inch (M4)
Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.
A major shift in European fish stocks is already underway due to rapidly rising temperatures, with some species' losses being others' gains. The study found that over 72% of common fish species have changed in abundance related to warming trends, with three out of four species increasing in numbers.
SourceUniversity of Bristol·JournalCurrent Biology·DateSep 15, 2011
Researchers studying seaweed-eating fish and coral reef health may develop new methods to manage seaweed growth. The study aims to determine which mix of fish can control the most damaging seaweeds and protect corals.
A new study reveals that warming seas are changing the composition of fish communities in the northeast Atlantic, with southerly species dominating and colder species declining. The analysis of data from over a million fish across 28 years shows a significant increase in warm-water species and a decrease in cold-adapted species.
GQ GMC-500Plus Geiger Counter
GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.
Dams and weirs have a profound effect on the ecosystem of watercourses, causing a significant decline in species diversity. The study found that fish species are 25% lower upstream of weirs compared to downstream areas, while invertebrate diversity is up to 50% lower.
SourceTechnical University of Munich (TUM)·JournalJournal of Applied Ecology·DateSep 14, 2011
A new species of ancient predatory fish, Laccognathus embryi, has been discovered in North America during the Devonian Period. The 5-6 foot long fish had a wide head, small eyes, and robust jaws lined with large piercing teeth.
SourceAcademy of Natural Sciences of Drexel University·JournalJournal of Vertebrate Paleontology·DateSep 12, 2011
The USGS presented several studies on various fish-related topics, including the benefits of habitat restoration for juvenile salmon and the importance of targeting younger silver carp to control their population. Climate change may impact smallmouth bass populations, with warmer temperatures affecting growth in southern climates.
Nikon Monarch 5 8x42 Binoculars
Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.
Researchers discovered B chromosomes causing female-biased sex-ratios in a species of cichlid fish from Lake Victoria. The study also identified multiple protein-coding genes in the B chromosomes, suggesting their role in sex determination.
A recent Oregon State University study suggests that parasites in fish can have profound impacts on fish health and contribute to salmon mortality. The research found that heavy parasite loads can affect salmon growth, immune function, and other issues, and are linked to land use changes such as logging and agriculture.
SourceOregon State University·JournalJournal of Parasitology·DateAug 15, 2011
Cabo Pulmo National Park has proven to be the world's most robust marine reserve, with a 463% increase in fish biomass from 1999 to 2009. The park's 'no take' restrictions and local enforcement have been key factors in its success.
SourceUniversity of California - San Diego·JournalPLOS ONE·DateAug 12, 2011
Garmin GPSMAP 67i with inReach
Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.
Research published in Nature reveals Canadian cod populations are recovering, with haddock playing a dominant role, and a reversal of predator-prey roles contributing to the growth of smaller fish species. The study suggests an ecological transition towards balance is underway.
A UBC graduate student found that the mangrove fish's eyes have separate opsin genes for aerial and aquatic light, enabling adaptation to its environment. The study shows how gene duplication can lead to innovation in organisms.
SourceUniversity of British Columbia·JournalBiology Letters·DateJul 20, 2011
A new study suggests that the threat posed by invasive Asian carp to the Great Lakes ecosystem is real and warrants action. The research finds that separating the Great Lakes and Mississippi River basins through hydrological separation could provide a permanent solution to prevent further ecological and economic harm.
SourceMichigan State University·JournalJournal of Great Lakes Research·DateJun 30, 2011
Apple MacBook Pro 14-inch (M4 Pro)
Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.
In a study published in Ecology, researchers found that banded tetras play a keystone role in nutrient recycling due to their diet composition and excretion rates. This finding highlights the importance of conservation efforts in maintaining ecosystem function.
A 100-million-year-old mayfly fossil has provided valuable insights into the ecology of ancient ecosystems. The discovery of a rare ovipositor and long antennae sheds light on the life cycle and adaptations of this ancient species.
SourceOregon State University·JournalHistorical Biology·DateJun 24, 2011
A ban on fisheries discards in the North Sea is expected to promote fish stock recovery and increase fishermen's incomes, according to new research. The study compared long-term data sets on cod, haddock, saithe, and herring in the North Sea with those in Norwegian waters, where a discard ban was introduced in the late 1980s.
SourceUniversity of York·JournalReviews in Fisheries Science·DateJun 22, 2011
A team of researchers successfully barcoded over 28,000 Australian moth and butterfly specimens, covering 65% of the country's known species. This achievement will transform biodiversity monitoring and biosecurity efforts in Australia.
Sky & Telescope Pocket Sky Atlas, 2nd Edition
Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.
Researchers used Facebook to accurately crowdsource data on a fish survey in the Cuyuni River. Almost every fish specimen was identified by experts within 24 hours. The successful crowdsourcing project has implications for future scientific studies.