Articles tagged with Aquatic Animals
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A new FAU study uncovers the impact of acidic water on shell-building marine organisms, highlighting the need for strategies to mitigate coastal acidification. The research found that nutrient pollution, freshwater input, and other environmental factors contribute to reduced aragonite saturation.
A new study characterizes the sounds produced by flying gurnards, revealing two distinct types of grunt-like sounds that differ in duration, frequency, and rhythm. The researchers also found that juveniles under 10 cm in length produce sounds from an early developmental stage.
Researchers captured underwater photos of seabirds, seals, and fish interacting with a small tidal turbine in Washington State. The study provides valuable information on the impact of tidal turbines on marine life. Marine animals were observed swimming, feeding, and even playing around the turbine
Researchers from Shedd Aquarium tracked queen conch movements to estimate the space needed to protect breeding populations. The study suggests establishing a 330-meter spatial buffer around breeding areas to help protect conch populations and serve as a practical tool for local management.
A new study reveals that seasonal seabird nesting concentrates tiger sharks in specific areas, forcing other species to shift their habitat use to avoid predation. The presence of fledgling seabirds influences the behavior of apex predators, including gray reef and Galapagos sharks.
A new study by the University of Oxford and WCS reveals that connections between coral reefs can stabilize reef health, reducing the risk of collapse. By simulating future reef conditions under different management scenarios, researchers found that a dual approach improving land and sea conditions provides the best outcomes for reefs.
Researchers analyzed dolphin vocalizations during enrichment activities at Oltremare Marine Park in Italy. The study found that dolphins 'speak' more during structured moments like training, feeding, or play, revealing their social and emotional engagement.
A new order of marine sponges, Vilesida, has been discovered, producing unique sterols that support the hypothesis that animals evolved 100 million years earlier than previously thought. These compounds may also be used in the development of new antimicrobial and anticarcinogenic drugs.
Researchers discovered that hatchling loggerhead turtles feel the Earth’s magnetic map to determine their location on epic migration routes. By zapping them with a strong magnetic pulse, scientists confirmed that these turtles use magnetism to navigate and determine direction.
Researchers observed a female Antarctic leopard seal exhibiting postmortem attentive behavior, or PAB, where she cared for her deceased pup for over 20 days. This unique phenomenon is rare in marine mammals and sheds light on the complex behaviors of these apex predators.
Researchers used drones to create detailed maps of a high-density nesting beach, identifying steepness and proximity to dune crossover stairs as key factors influencing turtle nesting success. The study provides insights into how changing coastal conditions affect sea turtle habitats, informing conservation policy and coastal development.
Researchers at Institute of Science Tokyo found that European eels have restored aquaporin proteins with broad solute permeability through a recent gene duplication event. The study revealed that the genes Aqp10.2b2 and b3 acquired functional diversification, enabling them to transport urea and boric acid similar to Aqp10.1.
Researchers found that regional differences in environmental conditions, rather than diet quality, drive divergent health trends in California Sea Lions. Despite similar diets, populations in Mexico are declining while those in the US are thriving.
A University of Houston biologist has received a $2.16 million federal grant to study how some coastal frogs survive in salty environments. The research could reveal how cells cope with salt stress and have implications for understanding the health risks of high-salt diets in humans.
Researchers discovered a common parasite of modern oysters has been infecting bivalves for hundreds of millions of years. The parasite, belonging to the spionid group, has remained largely unchanged despite multiple mass extinction events.
A new species of sea anemone has been discovered building shell-like homes for hermit crabs. The anemone secretes a carcinoecium that expands and reinforces the crab's shell, forming a mutualistic relationship between the two species.
Scientists at UC Riverside are using advanced technology to understand how corals regain life-giving algae after suffering from heat stress. By studying the cellular and genetic mechanisms of algae reestablishment, researchers aim to develop practical tools to help reefs survive ocean warming.
Researchers at the University of Technology Sydney discovered that tailored lipid supplements can significantly increase coral larvae's strength, speed, and survival rate. This innovation has major implications for reef restoration projects, which aim to improve larval supply but often face low post-settlement survival rates.
The FAU Queen Conch Lab has developed mobile lab hatcheries to restore threatened Caribbean queen conch populations and promote sustainable seafood production. These self-contained units bring advanced aquaculture capabilities to coastal communities, supporting education, employment, and food security.
Researchers tracked oceanic manta rays and found they dive to depths over 1,200 meters to gather information about their environment and navigate across the open ocean. These dives are linked with increased horizontal travel afterwards, suggesting a mental mapping function.
Researchers describe 14 new marine invertebrate species and two genera from worldwide oceans, shedding light on deep-sea life. The study utilizes non-invasive micro-CT scanning to provide unprecedented clarity on internal tissues and soft-body parts.
A new study by Florida Atlantic University researchers found that heat does not significantly affect the cognitive ability of sea turtle hatchlings. However, higher incubation temperatures negatively impact their physical traits, including shorter incubation durations, lower hatching success, and more frequent scute anomalies. The stud...
Scientists observed Hector's dolphins' subsurface behaviors, which may increase their risk of bycatch. The study sheds light on the conservation efforts for this critically endangered species.
Researchers studied wild octopus behavior, finding they use front four arms more often than rear four for various actions. The study reveals complex arm flexibility, mirroring human robotic arms.
A new study by Florida Atlantic University reveals that every arm is capable of performing all action types, with front arms mainly used for exploration and back arms supporting movement. Octopuses demonstrated remarkable flexibility, showcasing complex motor control.
A new study finds that sargassum seaweed can significantly slow down sea turtle hatchlings in Florida, increasing their risk of predation and heat exposure. Researchers found that even small amounts of sargassum can impede hatchlings' progress, with leatherbacks taking 54% longer to crawl through light sargassum.
Researchers have discovered forehead teeth on spotted ratfish, which are used for mating and challenge traditional conceptions of dental history. The findings provide evidence that these unusual structures are indeed teeth, not denticles, and shed light on the evolution of oral teeth.
Researchers have developed a method to reconstruct functional diversity of past ecosystems from fossils, enabling conservationists to compare healthy ecosystems with modern counterparts that have been altered by humans. This information can be used to set restoration and protection goals for endangered species.
New research demonstrates that corals naturally thriving in extreme environments can be used to boost the resilience of reef sites. Despite being transplanted to more stable conditions, these corals retained their heat tolerance and activated pathways associated with DNA repair and homeostasis.
A deep sea worm accumulates arsenic particles in its skin cells, which react with sulfide from hydrothermal vent fluids to form orpiment, a yellow mineral that reduces toxicity. This 'fighting poison with poison' strategy enables the worm to thrive in highly toxic environments.
A team of researchers has developed a robot with self-morphing, wing-like feet that mimic the agile movements of water striders. The insect-scale robot enhances surface maneuverability and can execute sharp turns in just 50 milliseconds, rivaling the rapid aerial maneuvers of flying flies.
A new study highlights the importance of Vast Marine Protected Areas in protecting diverse marine species. Tracking data from sea turtles, manta rays, and seabirds revealed that 95% of tracking locations were recorded inside the Chagos Archipelago MPA.
Scientists have identified a previously unknown virus in Pacific oysters linked to annual mass die-offs, highlighting the importance of disease prevention measures. The discovery also underscores the need for further research into the causes of mortality in oyster populations.
Researchers at Ohio State University developed two technologies to support the survival and growth of baby corals, combining Underwater Zooplankton Enhancement Light Array (UZELA) with 3D printed artificial settlement modules. This combination doubles coral survivorship and quadruples growth, providing a promising solution for coral re...
Researchers from Florida Atlantic University's Harbor Branch Oceanographic Institute have developed a multi-sensor biologging tag on the whitespotted eagle ray, enabling long attachment times and detailed data collection. The study provides insights into the rays' behavior, habitat use, and social interactions.
Researchers found that Magellanic penguins alternate between traveling in direct routes and swimming with the flow of strong currents to maximize navigation efficiency. By doing so, they conserve energy while maintaining accurate headings towards their colonies.
Researchers have discovered two new species of wart sea slugs from North Sulawesi, Indonesia, including Phyllidia ovata and Phyllidia fontjei. The discoveries were made possible by citizen science contributions and add to the region's rich biodiversity.
Located in the western Mediterranean Sea, the Caprera Canyon is home to a high concentration of cetacean species. The canyon's unique geography supports a diverse array of marine life, including whales and dolphins.
Researchers have discovered a way for caterpillars to metabolically degrade plastics in a matter of days, storing it as body fat. However, this process comes at a cost, ultimately leading to the caterpillar's death.
A study reveals that decades of overfishing have significantly altered the genetic composition of Eastern Baltic cod, leading to reduced growth rates and smaller sizes. The researchers found a correlation between slower growth and increased survival under high fishing pressure.
A recent study sheds light on the diverse species of soft corals, which were previously difficult to identify due to their variable sclerites. The researchers sequenced DNA from over 4,400 specimens and found that soft corals are more diverse than initially thought, with new discoveries made in regions previously unexplored.
A recent study documents the discovery of over 100 new ribbon worm species off Oman's coast, highlighting a significant underestimation of global marine biodiversity. The finding underscores the importance of exploring lesser-studied regions, such as the tropics, to uncover the full extent of oceanic diversity.
A global research team tracked over 100 species of marine animals, revealing key migration patterns and hotspots critical for conservation. The study, MegaMove, uses satellite data to inform a new blueprint for ocean conservation, highlighting the need for targeted mitigation efforts.
Phytoplankton biomass in the North Atlantic has declined by up to 2% per year over six decades, potentially affecting the entire ocean's ecosystem. This decrease may have significant consequences under climate change.
A team of researchers from OIST studied the effect of growth on pattern development within squid skin cells, identifying a new physical phenomenon called 'hyperdisorder'. They created a general model applicable to various growing systems, highlighting the importance of growth on physical properties.
Researchers documented an unusual feeding aggregation of oceanic whitetip and tiger sharks scavenging concurrently on a carcass off the coast of Hawaii's Big Island. The study reveals that despite their different habitats, these shark species can peacefully coexist and establish a social hierarchy.
A study analyzing online seizure records found over 300 seizures of dried seahorses in 62 countries, with most occurring in transit or destination countries. The illicit trade is estimated to be worth CAD$29 million over 10 years, and emerging routes involve Europe and Latin America.
Researchers have identified two new species of crayfish in the Pacific Northwest, but their discovery also highlights the risk of extinction due to invasive species. The Okanagan Crayfish and Misfortunate Crayfish have been named after their native habitat and unfortunate fate.
Researchers created first complete genetic activity map of a branching worm, revealing how it controls reproduction across its multiple body branches. The study highlights the unique genetic toolkit and challenges understanding of animal bodies' organization.
Research in China's Greater Bay Area found that almost 6,000 vessels move daily, leaving little space for nature. The study highlights the need for conservation efforts and sustainable management of coastal development.
A study by Kyoto University researchers found that captive otters in Japan are coming from Thailand, highlighting the country's role in illegal trade. The discovery sheds light on the risks posed by otter demand and aims to protect vulnerable species.
Researchers studied the organs producing light in Vinciguerria mabahiss, finding they use photophores as counter illumination to break up silhouette and camouflage from predators. The fish produces blue light through a bacterial reaction, using reflective cells and a lens to direct it.
The discovery of a 522 mm male silver-cheeked toadfish with potent neurotoxin tetrodotoxin in the northern Adriatic raises concerns about its impact on marine biodiversity, fisheries, and public safety. The species poses a threat to local life and has been found to cause severe injuries.
A team of biologists has discovered an ancient neurohormone called bombesin that controls appetite in humans and other vertebrates. The study also found that bombesin-like neurohormones are present in starfish, revealing a common ancestor of appetite regulation dating back over half a billion years.
Marine animals are being used to gather valuable data on human impact on the ocean. Biologging, attaching sensors to wild animals, provides insights into environmental conditions and behaviors. The goal is to develop an 'Internet of Animals' with shared standards for data sharing, enabling targeted policies and a sustainable coexistence.
A recent study found that intense east coast low storms and marine heatwaves caused the deaths of over 200 weedy seadragons on Sydney beaches. The extreme weather triggered record-breaking waves and rainfall, which seadragons struggle to handle.
Researchers used a novel approach to estimate megalodon's body length and shape, finding it closer in shape to a lemon shark or large whale. The study suggests the prehistoric predator may have reached about 80 feet in length and weighed an estimated 94 tons.
A study investigating aquatic species response to environmental stress factors in urban habitats reveals populations adapt and become more resilient. This finding supports the hypothesis that urban habitats provide clues about animal adaptation to future environmental changes.
Research by University of Washington oceanographers found that whale excrement contains significant amounts of iron, a vital element for phytoplankton growth. The study suggests that the decimation of baleen whale populations may have had larger biogeochemical implications for the Southern Ocean ecosystem.
Researchers tracked 131 juvenile sea turtles and found they may be active swimmers during their early life stage, challenging existing hypotheses. The study provides important data for assessing risks from human activity and informing conservation efforts.