Marine Biology News
How Whales Evolved to Dive Deeply
Scientists discover how whales and dolphins avoid the bends, a diving sickness, through special lung adaptations, potentially improving human dive safety.
Timing of Bird Migration Shaped by Food, Not Wind
Researchers at Woods Hole Oceanographic Institution reveal how two bird species coexist by foraging differently, minimizing competition and potentially driving evolution.
Dolphin and Whale Conservation Efforts Are Falling Short
Over 22% of small cetaceans, including dolphins and porpoises, are on the verge of extinction, primarily due to small-scale fisheries and coastal habitat destruction.
Combating E. coli with Combined Antibiotics in Water and Surfaces
Researchers found that combining lantibiotics and polymyxins significantly boosts treatments against drug-resistant E. coli, breaking through the bacteria's protective layers.
How Climate Change Affects Fish Births and Hormones
Exploring how fish reproduction is impacted by rising temperatures, researchers at Cal Poly reveal the importance of hormone pathways and species' adaptability for reproductive success.
How Environmental Factors Disrupt Hormones in Fish and Frogs
Chemicals disrupting hormones in humans and wildlife increasingly threaten development and reproduction in the Anthropocene, affecting aquatic life and necessitating updated definitions and testing methods.
How Oil Drops in Fish Embryos Impact Their Survival
Discover how scientists from the Instituto Español de Oceanografía are revealing the vital role of egg buoyancy in the survival of European hake, impacting fisheries sustainability.
How Evolution Shapes the Microbes in Octopus Reproductive Organs
Cephalopods like squids use an organ called the ANG to shield their eggs from microbes, with a recent study revealing diverse, symbiotic bacterial communities influenced by their evolutionary history.
How Fish Brain and Gills React to Acidic Seawater
Researchers reveal how fish respond to ocean acidification, with marine medaka showing a swift gill reaction to CO2 changes, and a slower, long-term brain adaptation.
Antarctic Algae Secrets: How They Thrive in Extreme Cold
Scientists have uncovered how phytoplankton, crucial for carbon absorption and climate regulation, adapt to the harsh conditions of Antarctica, ensuring ecosystem and climate health.
Exploring Zebrafish Kidney's Role in Blood Formation and Virus Defense
Researchers discover that zebrafish kidneys not only produce blood cells but also play a crucial role in immune defense, hinting at complex immune functions in fish similar to mammals.
Comparing DNA Regions to Identify Ocean Microalgae Communities
A study advances marine biology by improving the study of ocean microalgae diversity, crucial for ecosystem health and carbon cycling, with DNA analysis techniques.
Exploring Nutrients and Metals in Coastal Sea Fish
Recent research reveals that marine fish species Rastrelliger kanagurta, Sardinella abella, and Otolithes ruber have safe levels of nutrients and trace metals for consumption.
How Plants Power the Partnership Between Corals and Algae
Stanford researchers reveal that a coral's survival hinges on its symbiotic algae's ability to harness sunlight for energy, finding light essential for this partnership.
New Tech Reveals Unique Germ-Fighting Peptides in Hydra
Discoveries at Christian-Albrechts University reveal how Hydra, an aquatic animal, uses its immune system to maintain a healthy balance of internal microbes, with implications for targeted therapies.
How Oysters' Immune Systems Interact With Their Microbes
Pacific oysters have their immune systems shaped by early exposure to sea microbes, enhancing disease resistance, a crucial factor for survival against threats like the Pacific Oyster Mortality Syndrome.
How Light Control Works in a Unique Micro-Algae Species
Diatoms like Pleurosigma strigosum have unique silica shells that masterfully filter out harmful UV light while allowing vital photosynthetic rays, an evolutionary trait aiding their survival.
Testing for River Fish DNA and RNA in Environmental Samples
A study reveals the sensitivity of genetic material from environmental sources in detecting fish species, highlighting the benefits and challenges of this non-invasive biodiversity monitoring method.
How Freezing Fish Sperm Uncovers Dad's Gene Effects
Cryopreservation of fish sperm might not just protect genetic material but also enhance offspring traits, like weight and eyesight, by affecting key paternal genes.
Shellfish Safety: Checking Mercury and Selenium Levels
The Tamil Nadu Dr. J. Jayalalithaa Fisheries University study reveals that shellfish from the Gulf of Mannar are safe to eat, with low mercury and adequate selenium levels.
Creating Oregano Oil Nanocarriers to Fight Fish Disease
Researchers have boosted oregano oil's ability to fight food pathogens by using niosomes, tiny carriers that increased its effectiveness by 2-4 times against bacteria.
Tracing the Hidden Links Between Coral Reefs Using Genetics and Ocean Patterns
Oxford researchers reveal crucial patterns in coral connectivity in Seychelles, aiding conservation efforts for these essential ocean ecosystems threatened by climate change.
Complex Breeding Patterns of Ocean Microalgae Explained
Marine diatoms, key to ocean health, show complex life cycles and adaptability. Long-term study reveals their genetic diversity critical for adjusting to environmental changes, with implications for marine life and humans due to toxin production.
Exploring the Future of Coral Reefs in a Changing Climate
Researchers suggest a new approach to predict coral reef fate under climate change, highlighting the need to incorporate uncertainty into models for effective conservation.
Variations in Ear Bones of Garfish from the Central Mediterranean Sea
Delving into the ear bones of garfish, scientists uncover how these microstructures reflect a fish's life, showing growth and environmental adaptation.
How Heatwaves Push Different Kelps to Their Limits
Scientists find that kelp, crucial for marine biodiversity and carbon capture, are threatened by increasing sea heatwaves, challenging the resilience of even expanding species.
Exploring the Genetic Diversity of White Sea Cucumbers
Despite heavy fishing pressure, Kenya's named sea cucumber shows genetic diversity, suggesting a fruitful future with thoughtful conservation management.
How Kelp Forests Bounce Back in Quickly Warming Seas
Nova Scotia's kelp forests are adapting to climate change, with a shift from cold-tolerant to warm-tolerant species. Despite global trends, some areas show recovery, thanks to local conditions and decreased sea urchin grazing.
Decline in Kelp Forests Lowers Seaweed Diversity
A study reveals the decline of kelp forests affects marine species' distribution, suggesting the need for diverse measures in assessing ecosystem health.
How Diatom Populations Differ Across Various Regions
Researchers found that ocean temperature, not just random chance, plays a significant role in the distribution patterns of diatoms, vital algae for the marine ecosystem.
Coral Larvae Adapt to Acidic and Warmer Seas
Scientists uncover how coral larvae respond at a genetic level to ocean warming and acidification, key to predicting coral reef survival in a changing climate.
Antibiotic Resistance in Bacteria from Farmed Tilapia and Mullet Fish
The rising challenge in fish farming is the spread of Aeromonas hydrophila, with a 31.6% infection rate in Suez Canal area fish, displaying strong antibiotic resistance and various disease-causing genes.
Noni Fruit Boosts Shrimp Defense Against Bacterial Infection
Researchers find that noni fruit extract boosts shrimp immune systems, providing a natural defense against a common bacterial infection and suggesting a sustainable alternative to antibiotics in aquaculture.
How a Seaweed's Growth and Shape Change Over Time
UK scientists are studying the surge of Saccorhiza polyschides kelp in coastal waters, exploring its vital role in providing marine habitat, food, and contributing to carbon cycling.
Understanding Recent Breakthroughs in Sugar Kelp Adaptation
Explore the resilience of sugar kelp, a key species in marine ecosystems, in adapting to climate change, contributing to healthy oceans and sustainable seaweed farming practices.
How Monsoon and Salty Sea Water Affect Plankton in the Bay of Bengal
Tiny planktic foraminifera in the Bay of Bengal play a big role in trapping carbon dioxide, with their populations revealing insights into climate change impacts.
Hidden Interaction Between Fishing Boats and Ocean Predators
Research from UC Santa Cruz reveals that up to 36% of overlap between marine predators and fishing activity is undetected, underlining the need for better monitoring.
Unlocking the Genetic Blueprint of the River Nerite Snail
Researchers have mapped out the genetic blueprint of Theodoxus fluviatilis, a snail that thrives in various salinity conditions, opening avenues to study environmental adaptation.
Combining Genetics and Ecology to Protect an Unknown Sardine
Researchers discovered two distinct genetic lineages of a sardine species, suggesting unique conservation strategies for coastal and island populations.
Exploring Tiny Sea Life in the Sparse South Pacific Waters
Discoveries in the South Pacific Gyre reveal a hidden world of photosynthetic and parasitic microorganisms vital for ocean nutrient cycling and marine food webs.
Monitoring Drug Pollutants in the Great Lakes Through Mussels
A new study reveals that mussels in the Great Lakes are filled with a mix of drugs and personal care chemicals, prompting concerns about environmental health.
Ancient Herbal Compound Halts Fish Virus in Lab and Nature
Researchers find that bufalin, a compound from Chinese medicine, shows strong potential as a non-toxic treatment against a deadly virus threatening salmon and trout farms.
Exploring How Plankton Capture CO2 and Feed in Warm Coastal Waters
Researchers reveal diverse strategies plankton use for carbon fixation, highlighting the ecological complexity of the ocean's primary producers in the South China Sea.
Analyzing Coral Health on an Individual Level
Researchers develop a precise method using mass spectrometry to study the effects of pollutants on coral metabolism, aiding in coral reef conservation efforts.
How Whaling and Krill Fishing Impact Whale-Krill Relationships
Discovering the complexity of Antarctic marine life, a study explores the "krill paradox" where krill numbers dropped, despite fewer whales, suggesting intricate ecological dynamics at play.
Exploring the Variety of Parasites and Genes in Big-Scale Sand Smelt Fish
Scientists in Ukraine found that big-scale sand smelts in new habitats have fewer parasite types than those in their native Black Sea, due to environmental factors like water type and prey.
First Case of Intestinal Worm in Popular Aquarium Fish
Researchers in South India discovered a parasitic worm in flowerhorn cichlids, which can cause serious disease in both fish and humans, urging caution in the pet trade.
How Salt and Organic Waste Affect Ammonia Treatment in Industrial Water
Researchers discover that in super salty wastewater, ammonia-eating microbes can still thrive, especially a hardy type better suited for handling high salinity, improving water treatment.
Measuring the Depth of Coral Sand with Combined Techniques
Scottish maerl beds, like underwater coral gardens, are not just biodiversity hotspots but also potential climate heroes, capturing and storing carbon to help cool our warming planet.
How Freshwater Fish Build Up Metals and Recover After Floods
Scientists reveal how environmental events like floods can sharply alter metal concentration in fish, impacting the health of aquatic systems and, in turn, human consumers.
Discovering a New Mineral in Pearl and Coral Formation
Discovering unexpected forms of calcium carbonate in marine organisms like coral and mussels, scientists reveal a more complex shell-building process, impacting climate science understanding.
Deep-Sea Corals in Hawaii Thrive in Dim Light
Deep-sea corals and their algae partners cling to life in dimly lit waters, using photosynthesis and efficient food sharing to survive, showing remarkable resilience.
Seasonal Changes in River Plankton and Their Environment
Delhi University researchers reveal the seasonal dynamics of plankton species in the Shipra River, highlighting their crucial role in indicating river health and ecosystem changes.
Trends in Microplastic Pollution in the Oceans: A Review
Global concern for microplastic pollution in oceans grows as studies show increased impact on marine life and potential risks to human health through food.
Discovering the Health Benefits of Three Popular Seaweeds
Explore the healing powers of the sea as researchers discover that certain Bangladeshi seaweeds have strong antioxidant properties, providing a potential new source of health-boosting compounds.
How Salt Shapes Algae Growth in a Siberian Soda Lake Over Time
Siberian lakes rise and fall with solar cycles, impacting microscopic life. A decade-long study reveals how solar activity dictates the diversity of microbes in soda lake Tanatar VI, offering insights into ecosystem resilience and climate influence.
Cancer Jumps Between Sea Creatures in Polluted Waters
Contagious cancer in mussels, hitchhiking via maritime traffic and thrives in ports, signals human-induced risks to marine health, needing urgent preventive measures.
How Whales and Krill Gather Spotted by Ocean Mapping
Stanford researchers uncover the role of ocean currents in bringing together baleen whales and their krill prey, with currents acting as pathways guiding marine life.
How Carp Cells Adapt to Saltwater Changes Seen Under a Microscope
Exploring new research, telocytes - long, thin 'messenger' cells within our tissues - help adapt to salt stress by changing shape and boosting their activity, suggesting their role in tissue repair and health.
Making Useful Enzymes from Seaweed with Marine Bacteria
Exploring the ocean's depths, scientists at Kalasalingam Academy have developed a sustainable method to produce alginate lyase, an enzyme that breaks down complex sugars in seaweed. This innovation holds promise for biofuel and cystic fibrosis treatments.
Exploring the Gut Bacteria of Farmed Shrimp in Indoor Facilities
Exploring how growing conditions affect shrimp gut bacteria, researchers found that temperature and light intensity play crucial roles in developing beneficial microbes, offering insights for healthier, antibiotic-free aquaculture.
How Water Flow Boosts Energy Harvesting from Saltwater Sources
Harnessing the dance of ions in estuaries, researchers are optimizing salinity gradient energy using capacitive double-layer expansion (CDLE). By controlling water flow around electrodes, energy yield can be fine-tuned, potentially enhancing this eco-friendly power source.