A harmful algal bloom, better known as a red tide, has been building up at Elands Bay on the West Coast, about 220km north of Cape Town.

Razor clams are the newest addition to Iceland’s resident fauna, RÚV reports. Researchers believe that the bivalves, which got their name in English from their long skinny shape, sharp edges, and resemblance to old fashioned straight razors, were brought to Iceland in the bilge water of cargo ships.

The species Japanese sea purse is found by divers in Stavanger harbour. "This is a plague we have been waiting for," says researcher Vivian Husa of the Institute of Marine Research. Now she particularly warns mussel breeders about the danger the species represents.

On 2 November 2020, the Japanese invertebarate Didemnum vexillum was detected by diver and underwater photographer Erling Svensen at Engøyholmen in Stavanger harbor. The aim of a new monitoring project is to register occurrences of the presumed recently arrived D. vexillum in the delimited areas, and then to map how it spreads locally, and also what impact it has on the local fauna.

A mass die off of fish and invertebrates has been reported in the Sea of Okhotsk, west of Kamchatka. Dozens of surfers reported symptoms including including poor eyesight, fever, diarrhea, nausea, vomiting, skin rashes and head and throat aches.

Khalaktyrsky Beach near Petropavlovsk is littered with hundreds of dead sea animals, from deep-sea Giant Pacific octopuses, to seals, sea urchins, stars, crabs and fish. Surfers were the first to raise alarm after problems with eyesight, fevers and throat aches.

In the pictures, Måøya looks like a pristine natural gem on the coast of Trøndelag. But when scientists and adolescents started digging into the soil, they got shock.

I've asked quite a few of the elders here if they had ever seen and none of them said they had ever seen it, said Skidegate Chief Councillor Bill Yovanovich, who took the photos Saturday on Lina Island. They show small bits of white shells arranged into what appears to be an intentional grid pattern that stretches at least a hundred metres along the beach.

Scientists say the grass carp population in the Chambly Basin is probably small, but the presence of this species in any number is bad news.

A person has died from paralytic shellfish poisoning after eating blue mussels and snails in the Aleutian Island community of Unalaska, state health officials confirmed Wednesday.

Thousands of jellyfish clogged up a cooling system and threatened to suspend production at a power plant in Israel. Video filmed at the Electric Company power plant on Thursday shows the light blue sea creatures being swept down a chute and into a bin. The power plant, based in the coastal city of Ashkelon, about 15 miles north of the Gaza strip, uses seawater to cool its

There are many types of crabs that are green in colour, but only the European green crab has five spines on the outside of each eye. The aggressive invasive species was discovered in Skidegate Inlet; and now working group formed to decide next steps.

Some beaches in the northeastern United States are dealing with more than the threat of COVID-19 this holiday weekend. They have to contend with an unwelcome visitor: the Lion's Mane jellyfish.

Dom Faux, 42, and daughter Eryn were enjoying a walk on Colwyn Bay Beach, north Wales when they came across a huge lion's mane jellyfish measuring six feet across.

Large menger glass jellyfish in the Oslo fjord cause problems for both beachgoers and shrimp fishermen. The whole trawl was full before it reached the bottom where the shrimp are.

Is there something that would cause fingers to tingle or swell after touching the mussels and clams?

One person was evacuated and brought to safety after the landslide at Kråkneset in Alta municipality. A total of eight buildings were swept to the sea in the 650-metre landslide. Due to a high avalanche risk, police have still not entered the area.

A large lion's mane jellyfish was found on the shore on Peaks Island, Maine, over the weekend that measured in at a whopping five feet.

Visitors to the Padre Island National Seashore in Texas are discovering blue dragons during their trips, and though it may not be the flying, fire-breathing creatures their name may suggest, it's still 'a rare find,' the park says.

On a recent family vacation, stranded Velella velella were observed on beaches near Tofino, British Columbia.