Ancestors of whale sharks in Panama may come from distant waters
The world's largest fish, the whale shark (Rhincodon typus), is a plankton-loving giant that can be found alone or in groups in all tropical oceans. However, despite being a highly migratory species, little is known about how the different population.....»»
Scientists spot girls-only shark slumber party in Bass Strait"s Beagle Marine Park
Scientists on a return journey to Beagle Marine Park in central Bass Strait have spotted thousands of sleepy Port Jackson sharks blanketing the seafloor......»»
Characterizing the impact of 700 years of Inuvialuit subsistence hunting on beluga whales
An international team of researchers, led by scientists from the University of Copenhagen and University of Toronto, analyzed beluga whale bones retrieved from archaeological sites in the Mackenzie Delta, Northwest Territories, Canada, to shed light.....»»
Fish in Greenland consume more jellyfish than previously assumed, researchers discover
For a long time, scientists assumed that jellyfish were a dead-end food source for predatory fish. However, a team from the Alfred Wegener Institute together with the Thünen Institute has now discovered that fish in Greenland waters do indeed feed o.....»»
Studying the skin of the great white shark could help reduce drag in aircraft
High-ridged dentricles reduce drag at low speeds; alternating ridges do so at high speeds. Enlarge / Great white sharks can reduce drag at different swimming speeds thanks to high and low ridged dentricles in its skin. (credit: T.....»»
Fewer car journeys and more flights: How COVID-19 has changed the way we travel
Four years after the outbreak of COVID-19, the pandemic seems like a distant memory for many. Yet its impacts on our lifestyle today are often profound and long-lasting, with many researchers on a mission to quantify it across sectors......»»
Love the Ocean? Thank a Shark
Sharks provide multiple benefits for ocean ecosystems: their declining numbers threaten habitats for baby fish.....»»
A Submersible Uncovered Secret Structures. Then, It Vanished Under Antarctic Waters.
A Submersible Uncovered Secret Structures. Then, It Vanished Under Antarctic Waters......»»
"Miseries of the Balkhash": Fears for Kazakhstan"s magical lake
Seen from the sky, with its turquoise waters stretching out into the desert expanses in the shape of a crescent, you can see why they call Lake Balkhash the "pearl of Kazakhstan"......»»
Indonesia’s tiny hobbits descended from even smaller ancestors
A 700,000-year-old humerus suggests small hominins have a long history on Flores. Enlarge / Half of the upper arm bone of this species can fit comfortably in the palm of a modern human hand. (credit: Yousuke Kaifu) The d.....»»
Oceans without sharks would be far less healthy, says new research
There are more than 500 species of sharks in the world's oceans, from the 7-inch dwarf lantern shark to whale sharks that can grow to over 35 feet long. They're found from polar waters to the equator, at the water's surface and miles deep, in the ope.....»»
Great white sharks secretly roam through Bahamas
It's incredibly rare to spot a great white shark in the waters around the Bahamas, but a new study published in the journal Frontiers in Marine Science shows they visit the area more often than people realize......»»
Big sharks equal big impact, but there"s a big problem: Those most affected by fishing are most needed for ocean health
Shark conservation must go beyond simply protecting shark populations—it must prioritize protecting the ecological roles of sharks, according to new research published in Science......»»
Sea level changes shaped early life on Earth, fossils show
A newly developed timeline of early animal fossils reveals a link between sea levels, changes in marine oxygen, and the appearance of the earliest ancestors of present-day animals......»»
Krill provide insights into how marine species can adapt to warmer waters
Krill in northern waters show how key marine species can adapt genetically to cope with climate change. This discovery was made by researchers at Uppsala University in collaboration with an international research group. According to the researchers,.....»»
Mass extinction 66 million years ago triggered rapid evolution of bird genomes, study finds
Shortly after an asteroid slammed into Earth 66 million years ago, life for non-avian dinosaurs ended, but the evolutionary story for the early ancestors of birds began......»»
Birds of a feather flock together but great white sharks have swum apart "forever"
Great white sharks separated into three distinct population groups up to 200,000 years ago and continue to mix only within these separate groups, new research has found......»»
The Galapagos Islands and many of their unique creatures are at risk from warming waters
Warm morning light reflects from the remains of a natural rock arch near Darwin Island, one of the most remote islands in the Galapagos. In clear, deep blue water, thousands of creatures—fish, hammerhead sharks, marine iguanas—move in search of f.....»»
Waters along Bar Harbor, Acadia, home to billions of microplastics
Along the shores of Acadia National Park, Bar Harbor and the Schoodic Peninsula are the vast, briny waters of Frenchman Bay. With 98 square miles of water and 39 islands, the bay is vital to shorebirds, fish, lobstermen and outdoor recreationists. Un.....»»
Female whale shark with satellite transmitter for record-breaking four years shows consistent migrations
A team of researchers at the University of Rhode Island and Nova Southeastern University in Florida have been tracking a 26-foot endangered whale shark—named "Rio Lady"—with a satellite transmitter for more than four years—a record for whale sh.....»»
New way to analyze riblet denticles on modern great white sharks sheds light on swimming speed
A team of engineers and zoologists affiliated with several institutions in Japan has developed a new way to study riblet denticles on shark skin. In their study, published in the Journal of the Royal Society Interface, the group used their new techni.....»»