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Marine Biology News
June 26, 2022

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Megalodon sharks, which went extinct about 3 million years ago, were three times longer than modern great white sharks and were apex predators at highest trophic level ever ...

Tapping the Ocean as a Source of Natural Products

Using DNA data, researchers have examined seawater to find not only new species of bacteria, but also previously unknown natural products that may one day prove ...

100,000-Year-Old Polar Bear Genome Reveals Ancient Hybridization With Brown Bears

An analysis of ancient DNA from a 100,000-year-old polar bear has revealed that extensive hybridization between polar bears and brown bears occurred ...

Newly Documented Population of Polar Bears in Southeast Greenland Sheds Light on the Species' Future in a Warming Arctic

A new population of polar bears documented on the southeast coast of Greenland use glacier ice to survive despite limited access to sea ice. This ...
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Mangrove and Reef Restoration Yield Positive Returns on Investment for Flood Protection, Study Shows

Restoration of mangroves and coral reefs can be a cost-effective solution for coastal flood reduction in more than 20 countries across the Caribbean. Researchers used methods from the risk and ...

Are New Corals in Sydney Dangerous Invaders or Harmless Refugees?

A new study has found that invading subtropical corals will survive and thrive in coastal Sydney, which could spell trouble for existing Sydney coral ...

Hidden in Plain Sight: Biologists Say Southern Right Whale Habitat Choice Is Key to Keeping Young Calves Safe

While researchers have speculated that the up to 50-foot-long whales choose shallow, coastal locations for lack of predators and warmer and calmer waters, a team of biologists recently uncovered a ...

Right Whales' Survival Rates Plummet After Severe Injury from Fishing Gear

Most North Atlantic right whales that are severely injured in fishing gear entanglements die within three years, a study finds. Severely injured whales were up to eight times more likely to die than ...

Pioneering Study Shows Climate Played Crucial Role in Changing Location of Ancient Coral Reefs

Prehistoric coral reefs dating back up to 250 million years extended much further away from the Earth's equator than today, new research has ...

Seal Whiskers, the Secret Weapon for Hunting

The deep ocean is a dark place, yet deep-diving seals can easily locate their prey in that darkness. A multi-national research team has used field-based studies to better understand how seals use ...

Plastic Pollution in Ocean May Harbor Novel Antibiotics

Plastic pollution in the ocean, which can support microbial communities, may serve as a source for novel antibiotics, according to a new student-led study conducted in collaboration with the Scripps ...

Ningaloo Corals Are Ill-Equipped to Handle Future Climate Change

The relatively pristine coral populations of WA's inshore Kimberley region are better equipped to survive ocean warming than the World Heritage-listed Ningaloo Marine Park, according to a new ...

How 'Viral Dark Matter' May Help Mitigate Climate Change

A deep dive into the 5,500 marine RNA virus species scientists recently identified has found that several may help drive carbon absorbed from the atmosphere to permanent storage on the ocean ...

As the Ocean Heats Up Hungrier Predators Take Control

A hotter ocean is a hungrier ocean -- at least as far as fish predators are concerned. Scientists have discovered predator impacts in the Atlantic and Pacific peak at higher temperatures. The effects ...

New Insights Into How Cyanobacteria Regulate Zinc Uptake in the Open Ocean

An interdisciplinary research team has identified a remarkably efficient regulatory network that controls zinc accumulation in the open ocean cyanobacterium ...

New Research Shows Climate Change Impacts on Whale Habitat Use in the Warming Gulf of Maine

New research finds climate change is having an impact on how large whale species, including the critically endangered North Atlantic right whale, use habitats in the warming Gulf of Maine, showing ...

Climate Change and Human Exploitation to Blame for Historic Decline in Atlantic Salmon

Research has revealed that an abrupt change in climate conditions in the North Atlantic around 800 years ago played a role in a decline in Atlantic salmon populations returning to rivers. Subsequent ...

Amazon River Freshwater Fish Show Signs of Overexploitation

As the cherished rainforest in South America's Amazon River region continues to shrink, the river itself now presents evidence of other dangers: the overexploitation of freshwater ...

Kelp Connecting Southern Ocean Coasts, Genomics Reveals

The DNA of kelp has enabled scientists to show just how interconnected coastal communities of the Southern Ocean are. A new study carried out genomic analyses of bull kelp washed up over decades in ...

'Ugly' Reef Fishes Are Most in Need of Conservation Support

What's the relationship between people's perception of beauty and animals' conservation needs? According to a machine-learning study, the reef fishes that people find most beautiful ...

Data Reveal 20-Year Transformation of Gulf of Maine

Two decades of research show a startling transformation of the Gulf of Maine. Many trends point to an overarching pattern: more warm, North Atlantic water is coming in and changing the foundation of ...

Lessons from the Past: How Cold-Water Corals Respond to Global Warming

Corals react to changes in their environment. This is true for tropical as well as cold-water corals and includes, among others, changes in temperature, salinity and pH values. Researchers have now ...

Deciphering the Migratory Pattern of the Smallest Seabird in the Mediterranean

It had always been thought that the Mediterranean population of the European storm petrel -- the smallest seabird in the Mediterranean -- spent the year in this sea and that only a small part of the ...

How Plesiosaurs Swam Underwater

Plesiosaurs are characterized by four uniform flippers. It was possible to reconstruct whether they used these in a rowing or flying motion underwater thanks to a combination of paleontological and ...

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