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FISH EVOLUTION
Scientists just found a new walking shark in a tiny corner of Papua New Guinea, and the meter-long species may be vulnerable because its range is so restrictedA new species of walking shark, Hemiscyllium dudgeonae, has been discovered off the coast of Papua New Guinea. Named after Dr. Christine Du...- Fish are adapting to rivers shaped by dams and barriers, and that may be changing how man-made rivers function over timeFor decades, river restoration has focused on returning waterways to conditions that existed before dams, weirs and large-scale human inter...
- Men not needed! Scientists have found an all-female species that's been cloning itself for the last 100,000 yearsThe Amazon molly, an all-female fish, has defied evolutionary expectations by surviving for 100,000 years without males. This remarkable sp...
- In 1979, old salmon cans were stored in an Alaskan cannery, and decades later, when scientists cracked them open, a rising worm count revealed something unexpected about changing ocean food websOld canned salmon from Alaska reveals a significant increase in parasitic worms. Scientists studied cans dating back to 1979. This rise in ...
- In the 1960s, Sudbury's nickel smelters turned Ontario's lakes acidic, and tiny creatures evolved to survive, but when the pollution cleared, something unexpected happenedScientists witnessed evolution in action as a tiny copepod species, Leptodiaptomus minutus, adapted to acidic lakes in Killarney Provincial...
- Hawaiians spotted sea turtles with mysterious 'graffiti' on their backs, and it sparked a 600-person mission to save the speciesHawaiian sea turtles, known as honu, were found with white markings on their shells. Initially causing confusion, federal scientists turned...
- Greenland's independence champion despised Denmark. Trump changed his mindAs Greenland grapples with its quest for independence, a wave of rethinking has emerged. The persistent calls from US President Donald Trum...
- This submerged prehistoric site is changing what we know about Stone Age BritainArchaeologists discovered a prehistoric landscape at Bouldnor Cliff on the Isle of Wight, revealing Mesolithic settlements with woodworking...
- Researchers stuck a pair of googly eyes on the coast of Denmark and let them sit for 46 days, and here's what happened nextA floating windmill with giant spinning eyes, the Looming-Eye Buoy, was tested to deter seabirds from raiding fish traps in Europe. While i...
- Scientists discover ancient Antarctic fish fossil with a perfectly preserved skullA remarkable fish fossil from Antarctica offers a clear view of early evolution. Koharalepis jarviki, a 380-million-year-old specimen, reve...
- Enormous octopuses dominated Earth's prehistoric seas over 100 million years agoAncient oceans were once ruled by enormous octopus relatives. New research reveals these early creatures were massive, dominant hunters. Fo...
- Ocean Animals Are Forming Strange FriendshipsRemarkable interspecies cooperation is reshaping our understanding of marine life. Octopuses and reef fish are now observed hunting togethe...
- How Animals Adapt Faster Than Evolution ItselfAnimals are rapidly changing their behavior to survive new environments. This flexibility allows them to adapt quickly without physical cha...
- Why Do Rival Animals Sometimes Join Forces Instead of Fighting? The Science Behind Survival's Odd PartnershipNature's survival stories are not just about fierce battles. Animals often find strength in unexpected alliances. From birds and buffalo to...
- Some Fish Hide Inside Sea Cucumbers: Scientists Say the Reason Is Surprisingly PracticalCertain small fish, like pearlfish, have evolved a bizarre survival strategy by taking refuge inside sea cucumbers. These fish enter throug...
- Inside the Brain of a Fish That Changes Sex: The Hidden Survival TrickSome fish in oceans and reefs possess a remarkable ability to change their sex. This adaptation, known as sequential hermaphroditism, helps...
- Why Do Octopuses Punch Fish During Hunts? Scientists Uncover a Hidden Reef Power StruggleMarine researchers observed octopuses in the Red Sea striking fish during hunts. This behavior acts as partner control, ensuring fish contr...
- The Deep Sea Keeps Inventing Light; Why Bioluminescence Evolves Again and AgainLife in the deep ocean is not dark. It glows. Bioluminescence, the ability to produce light, is widespread. This trait evolved many times i...
- Discovery of 380 million year old heart, provides insight on evolutionResearchers have discovered a heart of ancient jawed fish dating to 380 million years ago.
- World's oldest heart, aged 380 million years found in Australia; read details hereA beautifully preserved heart that dates back around 380 million years has been discovered in Australia. Curtin University in Perth led the...
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