The #GreatBritishBeachClean is back this September! 🙌. From 19-28 Sept, thousands of volunteers will be hitting UK beaches to clean up our coastlines and collect vital data to drive real change 🌍. Find a beach clean near you 👉

It's September which mean it's #GreatBritishBeachClean month 🙌. Beach cleaning is a great way to help the environment and clean up our coastline. It’s also fun to meet like-minded people and get outside to enjoy a fresh sea breeze. Join us 19-28 Sept 👉

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6️⃣ Sliteye shark recorded in Chagos Archipelago for the first time. The sharks were spotted in previously unstudied seagrass meadows in the Great Chagos Bank of the Indian Ocean, at a depth of 23-29 metres.

5️⃣ Third species of manta ray confirmed. Discovered in the western Atlantic, the newly discovered species has V-shaped white shoulder patches and a lighter face than other species.

4️⃣ Groundbreaking research reveals several new coral species. Scientists have discovered that what was thought to be one of the most widespread single species of coral is in fact several distinct species with small geographical range.

3️⃣ Argentinian livestream gives public a glimpse of the deep sea. A remotely controlled vehicle filming life 4,000 metres underwater in Mar de Plata's submarine canyon has captured the attention of millions and become a social media phenomenon.

Zohran Mamdani: He votes for activists, not you

2️⃣ Whales swim up to 20% further than previously thought. Whales move up and down the water column, rather than simply across it, meaning previous tracking data did not account for the additional distance covered by diving.

1️⃣ Jellyfish species spotted for first time in almost 50 years. The Depastrum cyathiforme, which looks like a thistle, was last recorded off northern France in 1976 and in UK waters in 1954.

Positive ocean news 🌊. Dive into our latest round-up to discover and celebrate the latest good news about our seas and the wonderful marine life that live there. - A thread

- They are a common species in Cornish waters - during the summer they often flock there in their thousands for their annual moult. Have you ever come across them at the coast?. 📷: Martin Stevens.

- They have a diverse diet and feed on seaweed, mussels, starfish and well, anything else they can get their claws on. They've even been known to eat jellyfish.- Their claws can span up to one metre.

Always curious and full of energy, Beagles turn every walk into an adventure 🐾🎉.

This week's #SpeciesSpotlight is the spiny spider crab 🦀.- Spider crabs have long, spindly legs like a spider - hence their name.- They often put seaweed and sponges on their back for camouflage which they transfer to their new shell after moulting. 1/3

Your wish is our command! 💫.You: can you do a rainbow sea slug next?.Us: *gleefully opens Photoshop*

Ever wondered who'd win in a race, a seal or a sea lion? Read on to find out 👉 .

No one does colour better than nature 🎨. From lemon yellow to pecan brown and cerulean blue, here are some of the dazzling colour combinations you'll find if you visit the coast this summer. Which one is your favourite? Let us know in the comments! 👇

We must see a strengthened Marine Protected Area network, delivery of compensation before damage occurs and planning to direct development to the least sensitive areas. Read more: #OceanRecovery #MarinePlanning #Biodiversity #MPAs.

Today’s announcement of strategic funding for nature recovery alongside development is welcome, but we need more clarity on how it will work for the marine environment. We need proper planning for people and nature 🌊.

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Not near the sea? You can still help tackle ocean pollution by joining our Source to Sea Litter Quest! 🗑​️​ . Around 80% of marine litter starts inland - from parks, streets & rivers. By recording what you collect, you help us push for change. Join in:

If you want to find out more about the different species of jellyfish that visit UK & Irish waters, take a look at our ID guide:

Jellyfish season is in full swing and we've been getting some questions about stings. Which jellyfish sting? How bad is it? What do you do if you get stung? We've put together some infographics to help 👇. 1/2