Giant Cuttlefish Count Crashes 97% in South Australia
South Australia’s PIRSA counted 1,811 giant cuttlefish this year against 63,000 in 2025, a 97% drop linked to the record harmful algal bloom.
Bluefin Tuna Return to English Fishing Town After 60 Years
A fishing crew based in the Yorkshire port of Whitby has made a rare catch. Within days of each other, they landed two bluefin tuna, each weighing over 300 kilograms. The last time such catches were made at Whitby was
1,121 New Marine Species Discovered in Landmark Ocean Census—Ghost Sharks Lead Discovery
Scientists have discovered 1,121 marine species in a single year, marking a historic milestone in ocean exploration. The discovery emerges from 13 global expeditions
Tiger Shark Off Cape Cod: Five-Foot Tropical Predator Signals Warming Atlantic Ocean Waters
Juvenile tiger shark caught off Cape Cod by Rouette brothers signals warming Atlantic waters. Tropical species expanding range north due to climate change. New
Viral Orca Attack Hoax Exposes Digital Misinformation Crisis: How AI Creates Convincing Fakes
A video claiming to show marine trainer Jessica Radcliffe being killed by an orca during a performance has gone viral on social media platforms like TikTok and Facebook. The footage appears to
Karmactive Team
Blue whale songs fall off California as six year study flags near 40 percent drop tied to krill loss
Blue whales, the largest animals on Earth, are growing quieter off California’s coast. Scientists studying this unusual silence have found links to climate change and food shortages that may spell trouble for
Govind Tekale
Rare Virginia Salamander Found in Only 3 Locations Faces Extinction as Protection Petition Filed
A small salamander with sparkly markings found only in three spots in Virginia may soon get federal protection. On August 5, the Center for Biological Diversity filed a petition asking the U.S.
Ocean Oxygen Decline of 2% Threatens 600 Million Tons of Carbon-Storing Lanternfish
Ocean oxygen levels are dropping at an alarming rate, threatening deep-sea fish populations and potentially disrupting the ocean’s ability to store carbon. This warning comes from a new international study that examined
UMN Study: Powerboats Disrupt Lake Bottoms, Wakeboats Need 20-Foot Depths to Prevent Sediment Release
A new University of Minnesota study reveals that all powerboats, not just wakeboats, disturb lake ecosystems below the surface. The research, conducted by the university’s St. Anthony Falls Laboratory, shows that underwater
Karmactive Staff
Record-Breaking 1,653-Pound Great White ‘Contender’ Tracked 50 Miles Off Nantucket
Record-breaking shark signals critical moment for marine research and coastal communities A massive 1,653-pound great white shark named “Contender” was detected just 50 miles east of Nantucket on July 18, 2025. At
Sydney Harbour Whale Halts Ferries: Fifth Humpback This Season Makes Rare Circular Quay Appearance
A juvenile humpback whale took a detour through Sydney Harbour on Wednesday, temporarily halting ferry services and drawing crowds of onlookers to the foreshore. The young whale entered the harbour around 8:00
Great Barrier Reef Faces UNESCO “In Danger” Decision as 8 Bleaching Events Destroy 50% of Corals
The Great Barrier Reef could be declared “World Heritage in Danger” by mid-2026, as UNESCO’s World Heritage Committee sets a deadline for Australia to prove it’s doing enough to protect this natural
Turtles Show Extraordinary Cancer Resistance: Only 1% Affected Despite 150-Year Lifespans, Study Reveals
Cancer is strikingly rare in turtles, affecting only about 1% of these reptiles, according to a groundbreaking study published in the journal BioScience. This discovery has researchers excited about what turtle biology
Male Guppies With Orange Spots 2X More Sexually Active Than Dull Males, UBC Study Finds
Scientists have solved a long-standing evolutionary puzzle about why male guppies sport such flashy orange colors despite the risk of attracting predators. The brighter the orange on a male guppy, the more