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Sea Life News
July 27, 2023

Top Headlines

Scientists Discover New Isopod Species in the Florida Keys

Scientists have discovered a new species of marine cryptofauna in the Florida Keys. Cryptofauna are the tiny, hidden, organisms that make up the majority of biodiversity in the ocean. The tiny crustaceans are the first new gnathiid isopod to be discovered from the Floridian ecoregion in 100 years ...

Food Size Matters

Prey size and risk of predation are strongly related to the medium-sized Daphnia -- a small, planktonic crustacean -- targeted by aquatic insects and fish. This phenotypic plasticity has been shown to be expressed by a variety of factors, including predator type, predator mode, and density. ...

Important Groups of Phytoplankton Tolerate Some Strategies to Remove CO2 from the Ocean

Humanity has a long track record of making big changes with little forethought. From fossil fuels to AI, plastics to pesticides, we love innovating away our problems, only to find we've created different ones. So it can be refreshing to hear about ...

Artificial 'Rocks' from Macroplastics Threaten Ocean Health

Plastic waste is a problem on our beaches. Hence, it is largely removed in a coordinated manner within a few weeks. However, it can litter other coasts of the world for many months to years due to unregulated waste disposal. Often the garbage on the beach is simply burned and a special form of ...
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updated 12:52am EDT

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Salinity Changes Threatening Marine Ecosystems

A groundbreaking study reveals the critical yet severely understudied factor of salinity changes in ocean and coastlines caused by climate ...

Plastic Pollution on Coral Reefs Increases With Depth and Mostly Comes from Fishing Activities

Researchers reveal the extent of plastic pollution on coral reefs, finding that debris increases with depth, largely stems from fishing activities, and is correlated with proximity to marine ...

Warmer Ocean Temperatures Increase Risk of Salmon Bycatch in Pacific Hake Fishery

Rates of Chinook salmon bycatch in the Pacific hake fishery rise during years when ocean temperatures are warmer, a signal that climate change and increased frequency of marine heatwaves could lead ...

Tiny Scales Reveal Megalodon Was Not as Fast as Believed, but It Had a Mega-Appetite Explaining Its Gigantism

A new study reveals the iconic extinct Megalodon, or 'megatooth shark', was a rather slow cruiser that used its warm-bloodedness to facilitate digestion and absorption of ...

Can Using Biodegradable Fishing Gear Help Reduce the Cost of Ghost Fishing?

New research has found that the design of biodegradable fishing gear needs to improve if it is to help address the environmental and economic impacts of 'ghost ...

Marine Fossils Are a Reliable Benchmark for Degrading and Collapsing Ecosystems

Humans began altering environments long before records were kept of the things that lived in them, making it difficult for scientists to determine what healthy ecosystems should look like. ...

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Evolutionary Origins of the Pygmy Right Whale

Researchers have finally settled a decades-long dispute about the evolutionary origins of the pygmy right ...

Scientists Discover 36-Million-Year Geological Cycle That Drives Biodiversity

Movement in the Earth's tectonic plates indirectly triggers bursts of biodiversity in 36 million-year cycles by forcing sea levels to rise and fall, new research has ...

Researchers Offer a Tropical Perspective on Marine Conservation

To achieve tangible solutions for ocean conservation, a new article suggests that we should listen to the people who are most affected by the current problems facing the ocean: the people in the ...

Number Cruncher Calculates Whether Whales Are Acting Weirdly

We humans can be a scary acquaintance for whales in the wild. This includes marine biologists tagging them with measuring devices to understand them better. These experiences can make whales behave ...

Marine Heat Waves Caused Mass Seabird Die-Offs, Beach Surveys Show

New research uses data collected by coastal residents along beaches from central California to Alaska to understand how seabirds have fared in recent decades. The paper shows that persistent marine ...

World's Most Threatened Seabirds Visit Remote Plastic Pollution Hotspots

Analysis of global tracking data for 77 species of petrel has revealed that a quarter of all plastics potentially encountered in their search for food are in remote international waters -- requiring ...

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Hedging Strategy for Coral Restoration Balances Diversity, Ecosystem Benefits

An international team of researchers developed an innovative new strategy for choosing a set of key coral species that will best maintain ecosystem functions critical for reef health. Their hedging ...

Amazon Dolphins at Risk from Fishing, Dams and Dredging

Amazon river dolphins are under threat from fishing and proposed new dams and dredging, research ...

Estimating the Long-Term Effects of Whale Shark Feeding Practices

Increasing opportunities for up-close encounters with sharks and other animals are making wildlife tourism one of the fastest growing tourism sectors -- leading ecology experts to venture to one of ...

Dolphin Ages, Pod Health Revealed With Drone Photographs

Using unoccupied aerial system, or drone, photographs, researchers are now able to determine the age-structure of free-ranging dolphin groups. This work will aid monitoring the health of dolphin ...

Boom! Detecting Gregarious Goliath Groupers Using Their Low-Frequency Pulse Sounds

From growls to booms, whales, fish and crustaceans all produce sounds. Selecting the gregarious Goliath grouper, researchers deployed a novel automated detector and localization model to find ...

Worm Named After a Comedian Impacting Spiny Lobster Reproduction and Could Threaten a Lucrative Fishery

A species of nemertean worm discovered by a marine biologist five years ago affects the reproductive performance of Caribbean spiny lobsters, a critical species in the Caribbean Sea and the Gulf of ...

Newly Discovered Jurassic Fossils in Texas

Scientists have filled a major gap in the state's fossil record -- describing the first known Jurassic vertebrate fossils in Texas. The weathered bone fragments are from the limbs and backbone ...

New Research Finds That More Than 90% of Global Aquaculture Faces Substantial Risk from Environmental Change

Many of the world's largest aquatic food producers are highly vulnerable to human-induced environmental change, with some of the highest-risk countries in Asia, Latin America and Africa ...

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