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
Orcas Attacking Boats in Strait of Gibraltar: 500+ Incidents and What Scientists Say
Orca encounters involving recreational and commercial vessels in the Strait of Gibraltar have generated growing concern among sailors and marine researchers. More than 500 documented interactions have been recorded between 2020 and
Rahul SomvanshiScientists Discover 31 New Marine Species in Deep Sea 2026 Expedition
Marine biologists have documented previously unknown species living in Earth’s deepest ocean zones, marking a significant milestone in understanding life in extreme environments and highlighting how much remains unknown about our planet’s
Shark Week 2026 Pivots to Conservation Science as Marine Biologists Take Centre Stage
Shark Week 2026 marks a significant programming shift — away from dramatised predator narratives and toward marine conservation science. The annual Discovery Channel event, which reaches tens of millions of viewers during
Govind Tekale
Orcas Filmed Exploding a 4,400-Pound Sunfish in Never-Before-Seen Coordinated Strike, Study Finds
Orcas in Mexico's Gulf of California were caught on video ramming a massive sunfish until it exploded — a never-before-documented behavior published in Frontiers in Ethology in July 2026.
NOAA’s Deep-Sea Golden Orb Identified After 2.5 Years as Base of a Giant Anemone With 7-Foot Tentacles
Golden Orb Identified as Deep-Sea Anemone Base by NOAA Scientists Lab specimen of the golden orb at the Smithsonian National Museum of Natural History. (Photo: NOAA Fisheries, Public Domain) Ocean Discovery The
Emperor Penguin and Antarctic Fur Seal Now Endangered, Population Could Halve by 2080s, IUCN Warns
Emperor Penguin Endangered 2026 — IUCN Red List | Karmactive Four consecutive years of record sea-ice loss have pushed its kind onto the IUCN Endangered list — how many more seasons can
Karmactive Staff
Sydney Shark Attacks: Why 127mm Of Rain Makes Swimming A “Terrible Idea”
Sydney Shark Incidents: Three Events in 26 Hours Temporary beach closure and shark sighting warning signs stand along Dee Why Beach after multiple shark incidents were reported across Sydney’s coastline within a
Tejal Somvanshi
Toxic Algal Blooms Trigger Alzheimer’s Brain Changes in Florida Dolphins, Human Risk Studied
Dolphins in Florida Show Alzheimer’s-Like Brain Changes Marine Science & Health Florida Dolphins Show Alzheimer’s-Like Brain Changes Linked to Toxic Algal Blooms Research connects neurotoxins from harmful algal blooms to brain changes
Dusky Sharks Kill Snorkeler In Israel’s First Recorded Fatality—Study Cites “Begging” Behavior And GoPro Lure
Feature image: Dusky shark (Carcharhinus obscurus), CC BY 2.0 Marine Safety · Field Note Dusky Sharks in Hadera: Rare Fatal Attack & Verified Context A snorkeler was fatally bitten off Hadera, Israel,
IUCN Red List 2025: 61% Bird Decline, Arctic Seals Uplisted; “Conservation Works” As Green Turtle Rebounds
IUCN Red List Arctic Seals Threatened, Birds Decline Globally; Green Sea Turtle Rebounds Press release • 10 Oct 2025 • Abu Dhabi, United Arab Emirates Feature image placed near the title; source: