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
Bering Sea Crabs Face Hidden Epidemic: Bitter Crab Disease Rates Quadruple
A groundbreaking study by NOAA Fisheries has uncovered alarming infection rates of bitter crab disease in the Bering Sea’s snow and Tanner crab populations, thanks to new genetic detection methods. The research
Govind Tekale
Robot Boats Track Alaska’s Krill Amid COVID-19
When COVID-19 shut down regular ocean research in 2020, scientists found a clever solution. They sent three robot boats, called saildrones, to do the job of tracking tiny shrimp-like animals called krill
Freshwater Mussels’ Decline Threatens North America’s Natural Water Filtration
A hidden crisis threatens North America’s rivers. Freshwater mussels, small creatures that clean water naturally, are dying out. Thirty-five species have already been declared extinct, and more are likely gone. These mussels
Wild Fish Recognize Individual Divers by Gear
Scientists have discovered something surprising about fish in the Mediterranean Sea – they can recognize which diver might feed them, similar to how many animals learn to associate specific humans with food
Oarfish Sightings in Mexico and Spain Raise Concerns
When Robert Hayes went for a beach walk in Mexico this February, he didn’t expect to meet a mysterious visitor from the deep sea. But there it was – a long, silvery
Karmactive Staff
Over 150 False Killer Whales Stranded in Tasmania
A large group of whales is fighting for survival on a remote beach in northwest Tasmania. Local wildlife teams found 157 false killer whales – a type of large dolphin – stranded
Clam Species Thought Extinct for 28,000 Years Found Alive on California Coast
A small see-through clam, about the size of your fingernail, has surprised scientists by showing up alive on a California beach. The clam was last seen in fossil records from 28,000 to
AI Targets 50,000 Tons of Ghost Nets Polluting Oceans Annually
Lurking beneath ocean waves, abandoned fishing nets silently wreak havoc on marine ecosystems. WWF Germany quantifies this aquatic menace: 50,000 tons of ghost nets infiltrate oceans yearly, while 20% of fishing gear
Rahul Somvanshi
Sea Turtles’ Magnetic GPS: Navigating 10,000 Miles to Feeding Grounds
Picture a turtle doing a happy dance for food – head up, flippers flapping, spinning like a top in the water. This playful behavior just helped scientists solve a longstanding question about
Kayaker Swallowed by Humpback Whale in Chile’s Strait of Magellan
A humpback whale briefly swallowed a kayaker in Chile’s Strait of Magellan, adding to the growing number of whale-human encounters in the region’s waters. The incident happened last Saturday when Adrian Simancas’s