Marine Biology News

December 25, 2025

Top Headlines

This Fish-inspired Filter Removes over 99% of Microplastics

Dec. 22, 2025 Washing machines release massive amounts of microplastics into the environment, mostly from worn clothing fibers. Researchers at the University of Bonn have developed a new, fish-inspired filter that removes over 99% of these particles without ...

Scientists Find Hidden Rainfall Pattern That Could Reshape Farming

Dec. 12, 2025 New research shows that crops are far more vulnerable when too much rainfall originates from land rather than the ocean. Land-sourced moisture leads to weaker, less reliable rainfall, heightening drought risk. The U.S. Midwest and East Africa are ...

A Silent Ocean Pandemic Is Wiping Out Sea Urchins Worldwide

Dec. 12, 2025 A sudden, unexplained mass die-off is decimating sea urchins around the world, including catastrophic losses in the Canary Islands. Key reef-grazing species are reaching historic lows, and their ability to reproduce has nearly halted in some ...

New Fossils in Qatar Reveal a Tiny Sea Cow Hidden for 21 Million Years

Dec. 12, 2025 Fossils from Qatar have revealed a small, newly identified sea cow species that lived in the Arabian Gulf more than 20 million years ago. The site contains the densest known collection of fossil sea cow bones, showing that these animals once thrived ...

The Deep Ocean Is Fixing Carbon in Ways No One Expected

Dec. 10, 2025 Researchers have uncovered surprising evidence that the deep ocean’s carbon-fixing engine works very differently than long assumed. While ammonia-oxidizing archaea were thought to dominate carbon fixation in the sunless depths, experiments show ...

New Research Reveals the Hidden Organism Behind Lake Erie’s Toxic Blooms

Dec. 2, 2025 Dolichospermum, a type of cyanobacteria thriving in Lake Erie’s warming waters, has been identified as the surprising culprit behind the lake’s dangerous saxitoxins—some of the most potent natural neurotoxins known. Using advanced genome ...

Record Sargassum Piles Trap Sea Turtle Hatchlings on Florida Beaches

Nov. 24, 2025 Sargassum seaweed is creating major new obstacles for sea turtle hatchlings, drastically slowing their crawl to the ocean and increasing their risk from predators and heat. Despite the physical challenge, their energy stores stay stable, suggesting ...

CRISPR Wheat That Makes Its Own Fertilizer

Nov. 24, 2025 UC Davis researchers engineered wheat that encourages soil bacteria to convert atmospheric nitrogen into plant-usable fertilizer. By boosting a natural compound in the plant, the wheat triggers bacteria to form biofilms that enable nitrogen ...

New Research Uncovers Hidden Divide in West Coast Killer Whales

Nov. 20, 2025 Scientists confirmed that West Coast transient killer whales actually form two separate groups split between inner and outer coastal habitats. Inner-coast whales hunt smaller prey in shallow, maze-like waterways, while outer-coast orcas pursue large ...

Scientists Finally Discover What’s Fueling Massive Sargassum Blooms

Nov. 19, 2025 Massive Sargassum blooms sweeping across the Caribbean and Atlantic are fueled by a powerful nutrient partnership: phosphorus pulled to the surface by equatorial upwelling and nitrogen supplied by cyanobacteria living directly on the drifting algae. ...

A Crisis Deepens as African Penguins Compete with Fishing Fleets for Food

Nov. 18, 2025 During years of scarce fish, African penguins crowd into the same areas as commercial fishing vessels, heightening competition for dwindling prey. A new metric called “overlap intensity” shows how many penguins are affected and is already ...

Animals Are Developing the Same Chronic Diseases as Humans

Nov. 17, 2025 Across the planet, animals are increasingly suffering from chronic illnesses once seen only in humans. Cats, dogs, cows, and even marine life are facing rising rates of cancer, diabetes, arthritis, and obesity — diseases tied to the same factors ...

Latest Headlines

updated 1:40pm EST

Ancient Oceans Were Ruled by Super Predators Unlike Anything Today

Dec. 19, 2025 Long before whales and sharks, enormous marine reptiles dominated the oceans with unmatched power. Scientists have reconstructed a 130-million-year-old marine ecosystem from Colombia and found ...

From Biting Flies to Feathered Dinosaurs, Scientists Reveal 70 New Species

Dec. 19, 2025 Researchers announced over 70 new species in a single year, including bizarre insects, ancient dinosaurs, rare mammals, and deep-river fish. Many were found not in the wild, but in museum ...

Giant Sea Monsters Lived in Rivers at the End of the Dinosaur Age

Dec. 15, 2025 Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater rivers alongside dinosaurs and crocodiles. A massive tooth found in North ...

New Research Uncovers a Surprisingly Cheap Way to Farm Kelp Offshore

Dec. 11, 2025 A new economic modeling tool is helping Maine kelp farmers identify cost-saving strategies with remarkable precision. By analyzing farm design, weather, vessel types, and processing methods, it ...

Wild Chimps Consume More Alcohol Than Anyone Expected

Dec. 1, 2025 Chimpanzees naturally ingest surprising amounts of alcohol from ripe, fermenting fruit. Careful measurements show that their typical fruit diet can equal one to two human drinks each day. This ...

Ancient Long Snouted Croc from Egypt Rewrites Evolution

Dec. 1, 2025 A newly identified crocodile relative from Egypt pushes back the origins of the marine-hunting dyrosaurids by millions of years. The fossil, Wadisuchus kassabi, shows a mix of primitive and advanced ...

Dinosaur Mummy Found With Hooves and a Hidden Crest

Nov. 30, 2025 Scientists have reconstructed the most complete and lifelike profile of Edmontosaurus annectens thanks to an extraordinary preservation process called clay templating, in which a thin clay film ...

Scientists Reveal How Baby Turtles Navigate Thousands of Miles With a Hidden Magnetic Sense

Nov. 22, 2025 Researchers taught young loggerhead turtles to associate certain magnetic fields with feeding, prompting a distinctive dance when they recognized the ...

Secret Underwater Language of Hawaiian Monk Seals Has 25 New Calls

Nov. 18, 2025 Scientists have revealed that Hawaiian monk seals produce far more underwater vocalizations than previously believed. Their newly discovered 25-call repertoire includes complex combinations and a ...

New Research Uncovers the Massive Squid Diet of Hawaiian Pilot Whales

Nov. 17, 2025 Hawaiian short-finned pilot whales are surprisingly voracious hunters, diving hundreds of meters beneath the Pacific to snatch squid in the dark. By tagging and tracking eight whales, researchers ...

55-Million-Year-Old Fossils Reveal Bizarre Crocs That Dropped from Trees

Nov. 15, 2025 Scientists uncovered Australia’s oldest known crocodile eggshells, revealing the secret lives of ancient mekosuchine crocodiles that once dominated inland ecosystems. These crocs filled surprising ...

Warm Ocean Beneath Saturn’s Icy Moon Enceladus May Be Perfect for Life

Nov. 9, 2025 NASA’s Cassini mission has revealed surprising heat flow at Enceladus’ north pole, showing the moon releases energy from both ends. This balance of heat could allow its subsurface ocean to remain ...

A 480-Million-Year-Old Parasite Still Infects Oysters Today

Nov. 5, 2025 Researchers discovered fossil evidence showing that spionid worms, parasites of modern oysters, were already infecting bivalves 480 million years ago. High-resolution scans revealed their distinctive ...

Killer Whales Perfect a Ruthless Trick to Hunt Great White Sharks

Nov. 3, 2025 In the Gulf of California, a pod of orcas known as Moctezuma’s pod has developed a chillingly precise technique for hunting young great white sharks — flipping them upside down to paralyze and ...

Scientists Teach Bacteria the Octopus’s Secret to Camouflage

Nov. 3, 2025 Researchers at UC San Diego have figured out how to get bacteria to produce xanthommatin, the pigment that lets octopuses and squids camouflage. By linking the pigment’s production to bacterial ...

A New Microscopy Breakthrough Is Revealing the Oceans’ Invisible Life

Nov. 2, 2025 A pandemic-era breakthrough has allowed scientists to literally expand our view of plankton. By using ultrastructure expansion microscopy, researchers visualized the inner workings of hundreds of ...

Japan’s New “samurai Jellyfish” Is Simply Stunning

Nov. 1, 2025 Scientists in Japan have discovered Physalia mikazuki, a previously unknown species of Portuguese man-of-war, in northern waters for the first time. DNA and anatomical analysis confirmed it as ...

Antarctic Robot ‘Lassie’ Uncovers Thousands of Icefish Nests Beneath Antarctic Ice

Oct. 29, 2025 Beneath the ice of Antarctica’s Weddell Sea, scientists discovered a vast, organized city of fish nests revealed after the colossal A68 iceberg broke away. Using robotic explorers, they found over ...

Scientists Just Found out How Corals Rebuild Themselves on the Reef

Oct. 29, 2025 Researchers at QUT uncovered how corals reattach to reefs through a three-phase process involving tissue transformation, anchoring, and skeleton formation. Differences among species reveal why some ...

Before Plants or Animals, Fungi Conquered Earth’s Surface

Oct. 28, 2025 Fungi’s evolutionary roots stretch far deeper than once believed — up to 1.4 billion years ago, long before plants or animals appeared. Using advanced molecular dating and gene transfer analysis, ...

How Algae Learned to Harness the Sun Without Getting Burned

Oct. 22, 2025 Under the sea, green algae have evolved a clever way to handle too much sunlight. Scientists found that a special pigment called siphonein acts like a natural sun shield, protecting the algae’s ...

A Hidden Temperature Law Governs All Life on Earth

Oct. 25, 2025 In a groundbreaking discovery, scientists at Trinity College Dublin have identified a "universal thermal performance curve" that governs how all living organisms respond to temperature. ...

Scientists Discover 14 Strange New Species Hidden in the Deep Sea

Nov. 2, 2025 Scientists are revolutionizing how new marine species are described through the Ocean Species Discoveries initiative. Using advanced lab techniques, researchers recently unveiled 14 new species from ...

A 540-Million-Year-Old Fossil Is Rewriting Evolution

Nov. 12, 2025 Over 500 million years ago, the Cambrian Period sparked an explosion of skeletal creativity. Salterella, a peculiar fossil, defied conventions by combining two different mineral-building methods. ...

Atlantic Dolphins Are Dying Much Younger. Scientists Sound the Alarm

Oct. 22, 2025 Common dolphins in the North Atlantic are living significantly shorter lives, with female longevity dropping seven years since the 1990s. Researchers found this decline by analyzing stranded ...

They’re Smaller Than Dust, but Crucial for Earth’s Climate

Oct. 10, 2025 Coccolithophores, tiny planktonic architects of Earth’s climate, capture carbon, produce oxygen, and leave behind geological records that chronicle our planet’s history. European scientists are ...

After 25 Years, Scientists Solve the Bird-Eating Bat Mystery

Nov. 2, 2025 After decades of mystery, scientists have finally proven that Europe’s largest bat, the greater noctule, hunts and eats small songbirds mid-air—more than a kilometer above ground. Using tiny ...

Glowing Shark and Hidden Crab Found Deep Off Australia

Oct. 8, 2025 In a stunning glimpse into the mysteries of the deep, scientists have uncovered two new marine species off Western Australia—a glowing lanternshark and a tiny porcelain crab. The discoveries, made ...

Ancient Fish With Human-Like Hearing Stuns Scientists

Nov. 3, 2025 Long ago, some saltwater fish adapted to freshwater — and in doing so, developed an extraordinary sense of hearing rivaling our own. By examining a 67-million-year-old fossil, researchers from UC ...

From Gentle Giants to Ghostly Hunters, Sharks Face an Unseen Peril

Oct. 4, 2025 New research reveals that deep-sea mining could dramatically threaten 30 species of sharks, rays, and ghost sharks whose habitats overlap with proposed mining zones. Many of these species, already at ...