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
NOAA Withdraws Vessel Speed Limits, Endangering Right Whales
The National Oceanic and Atmospheric Administration (NOAA) has withdrawn its proposed regulation to expand vessel speed restrictions along the Atlantic coast, a decision that highlights the ongoing tension between marine conservation efforts
Rahul Somvanshi
New Study Reveals Unique Piscivorous Herring in Baltic Sea Ecosystem
A new type of herring discovered in the Baltic Sea is making waves among scientists. Unlike normal herring that eat tiny floating organisms, these larger herring eat other fish – especially ones
Florida Manatees Starve as ‘Endangered’ Status Denied Despite Over 2,000 Deaths from Seagrass Loss
A major decision about Florida’s manatees sparked debate in marine conservation circles. The U.S. Fish and Wildlife Service decided not to change Florida manatees‘ status from “threatened” to “endangered,” despite more than
Karmactive Staff
Florida’s Snook Face Mortality as Temperatures Drop Below 47.5°F Amid Cold Snap
Florida’s recent cold weather puts one of its popular fish species at risk. New research shows that common snook, a warm-water fish, handles cold differently depending on where they live. “Cold stress
Endangered Right Whales: New Calves Spotted Off Florida Amid Population Below 400
Two endangered right whales have been spotted with newborn calves off Florida’s Atlantic coast, offering a glimmer of hope for a species with fewer than 400 remaining members. Marine surveyors documented the
Govind Tekale
Endangered Right Whales’ Lifespan Plummets to 22 Years
North Atlantic right whales should live well beyond 100 years, but their average lifespan has dropped dramatically to just 22 years, according to recent research published in Science Advances. This stark decline
Cleaner Ship Fuels Tied to 0.08°C Global Temperature Rise in 2023 Due to Reduced Ocean Cloud Cover
A move to make ship fuel cleaner in 2020 had an unexpected effect – it helped push global temperatures to record highs in 2023, according to new research from Cornell University. The
Sunita Somvanshi
Juvenile Sablefish Outnumber Salmon 13:1, Threatening Northwest Coastal Ecosystem
Climate change has brought increasing numbers of juvenile sablefish to the Northwest coast’s waters, creating problems for young salmon. Over the past 20 years, large numbers of juvenile sablefish have moved into
Endangered Thresher Shark Found Dead on UK Beach; Second Incident Raises Alarm
A rare endangered shark was found dead on a British beach, prompting concerns about the safety of marine wildlife. The discovery has led experts to call for better protection of these ocean
Alaska Red King Crab Genetic Study Reveals Twice the Known Populations
The story of Alaska’s red king crab shows dramatic change. This seafood was once Alaska’s top shellfish fishery, deeply embedded in the culture of Alaska’s working waterfronts. Then, in the 1980s, the