Marine Biology

October 24, 2026

An Underwater Robot Found About 1,000 Mainly Female Port Jackson Sharks Piled on the Same Bass Strait Seafloor Where Scientists Spotted Them Six Years Ago and Nobody Knows Exactly Why

An underwater robot was mapping the deep seafloor inside Bass Strait’s Beagle Marine Park when it came across something researchers had last seen six years earlier: the same general area, the same

Scuba diver silhouetted beside coral-covered mast of a sunken WWII ship in Truk Lagoon, Micronesia

Environment·Science·World

Scientists Found 1,505 Bacterial Species Thriving Inside 80-Year-Old Fuel Leaking From Two Japanese WWII Warships in the Pacific and Three Genera Could Hold the Key to a Cleanup

Eighty years after the US Navy sank dozens of Japanese ships in a single operation, the fuel that went down with those vessels is still there—and it has developed its own ecosystem. University of the South Pacific researchers led by

October 24, 2026

Deep-Sea Fish Filmed Walking Upside Down Raises Questions About Unusual Ocean Locomotion

Nature·News·Science·World

A deep-sea fish has been captured on video walking upside down during a deep-ocean expedition, producing footage of an unusual locomotion behavior rarely recorded

Humpback whale stayed with stillborn calf off Gold Coast for hours—what the first baleen whale study found

Australia·Nature·Science

Off Australia’s Gold Coast, a female humpback whale stayed close to her stillborn calf for hours after it died. Scientists have now documented the

Nature·UK

Giant Lion’s Mane Jellyfish Filmed Off Pembrokeshire Coast With 10–15 Metre Tentacles

A giant lion’s mane jellyfish has been filmed off the Pembrokeshire coast by a free diver, with trailing tentacles estimated at between 10 and 15 metres — roughly the length of a

Govind Tekale

September 16, 2026

Nature·Science

First Orange Nurse Shark with Xanthism Found in Costa Rica

Imagine seeing a roughly two-metre nurse shark underwater — except instead of the familiar brown-grey colouring, the animal is vivid orange with pale eyes. In August 2024, a fisherman in Costa Rica

Govind Tekale

August 31, 2026

An ancient Roman amphora of the type used to carry wine and oil

Nature·News·Science

2,400-Year-Old Shipwrecks Found in Mediterranean: Ancient Wine Jars Reveal Trade Secrets

Two ancient shipwrecks discovered in the Mediterranean Sea are giving archaeologists rare glimpses into how people traded goods thousands of years ago. One wreck off Greece held cargo from around 400 BCE,

Govind Tekale

August 28, 2026

Giant cuttlefish swimming in ocean water

Environment·Marine Life·Nature

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.

Rahul Somvanshi

August 21, 2026

Aerial view of dark oil slicks spreading across turquoise Persian Gulf waters near a mangrove-lined coastline, with a distant cargo ship visible.

Environment·Ocean·World

Iran Oil Spill: Trillion-Dollar Pollution Claims as Gulf Contamination Spreads to Qeshm Island

Oil pollution reached Iran’s Qeshm Island on August 10, affecting the country’s largest Persian Gulf island and its mangrove forests. User-generated images showed oil residues coating beaches and shorelines across the northern

Rahul Somvanshi

August 15, 2026

Dusky shark (Carcharhinus obscurus) at Sea World, Gold Coast, Australia, lateral view.

Marine Life·Nature·News·Ocean·Science·World

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,

Karmactive Staff

October 24, 2025

Turtle over coral reef in Warm-waters, a scene illustrating bleaching-risk conditions linked to prolonged ocean heat.

Climate·Ocean·Science

Coral reefs pass 1.2°C tipping point at 1.4°C warming: 80% bleached, 1 billion people affected

🌊 CLIMATE SCIENCE Warm-Water Coral Reefs Pass Critical Tipping Point as Planet Hits 1.4°C Warming 📅 October 13, 2025 🔬 160 Scientists 🌍 23 Countries 🏛️ 87 Institutions Warm-water coral reef seascape—an

Rahul Somvanshi

October 15, 2025

Close-up of a shark underwater, illustrative image for report on Contender’s recent ping in Canada

Canada·Marine Life·Nature·News

Great White ‘Contender’ Pings In Canada After Months Silent

Wildlife Contender, Atlantic’s largest tagged male great white, pings far north near Canada A 13 ft 8 in, ~1,653 lb mature male “pinged” from the northern Gulf of St. Lawrence after summer–fall

Govind Tekale

October 10, 2025

Australia·News

Teen Surfer Rescued as Shark Chases Group to Shore at Cabarita Beach During Whale Migration Season

A 16-year-old boy is in serious but stable condition after being attacked by a shark at Cabarita Beach on NSW’s Far North Coast on Sunday afternoon. The teen was swimming near Norries

Karmactive Staff

June 30, 2025

Australia·Marine Life·News

Karenia Mikimotoi Algae Bloom Kills 200+ Species Across 4,400 km² in South Australia

A toxic algae bloom has turned South Australian waters into what marine experts call “a horror movie for fish,” killing more than 200 different species of marine life since March 2025. The

Karmactive Staff

May 21, 2025

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