DASSH
@dassh-at-the-mba.bsky.social
260 followers 210 following 140 posts
The Archive for Marine Species and Habitats Data are a flagship initiative of the Marine Biological Association @thembauk.bsky.social , and are accredited through the Marine Environmental Data and Information Network (MEDIN) https://www.dassh.ac.uk
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dassh-at-the-mba.bsky.social
📢 New datasets now live on the DASSH Mapper!

🗂️ Including:
• 1882 RV Travailleur (NE Atlantic)
• 1996 Jennycliff & Batten Bay survey
• 2012 MBA Cawsand Bioblitz
• 2021–24 Berwickshire intertidal surveys

🔗 www.dassh.ac.uk/dasshmapper

#DASSH #MarineData @thembauk.bsky.social
dassh-at-the-mba.bsky.social
🌏 International Data Week is happening from 13-16 Oct 2025! 📊

This year's theme - Data for Positive Change: Empowering Communities and Advancing Research - highlights how ethical, collaborative, and innovative data use can drive impact across science and society.

Learn more: idw2025.org
Home
I invite you to join us at the next International Data Week (IDW 2025) in the vibrant city of Brisbane, Australia from 13 to 16 October 2025.
idw2025.org
dassh-at-the-mba.bsky.social
📈 🌊 New marine data published!!🌊 📈
Discover our latest published datasets with 5 new datasets from the 2025 Environment Agency data for the UK marine strategy's Article 8 biodiversity assessment,
accessible through the MEDIN portal now! 🌍https://portal.medin.org.uk/portal/start.php 🔍 #MarineData
dassh-at-the-mba.bsky.social
🪸Tricky Taxon Thursday: Sabellaria alveolata 🪸
The honeycomb worm, a polychaete, constructs protective tubes from sand and shell fragments, creating a honeycomb pattern reef, supporting up to 38 other species and are common on the south and west coasts of the UK. Explore 5000+ records here 👇
DASSH - DASSH Mapper : Retrieve Data : Data : Home
Use the map tools to create a bounding box to query with...
www.dassh.ac.uk
dassh-at-the-mba.bsky.social
The Biological Data Management 2025 course, by the Flemish Marine Institute and OceanTeacher Global Academy, is self-paced and available online until November 2025. Providing essential data management skills for students, researchers, and data enthusiasts. Sign up now!👉 oceanexpert.org/event/4846
Biological Data Management 2025 (2nd cohort) course
oceanexpert.org
dassh-at-the-mba.bsky.social
🌊 🐟 Welcome back to Sea Spectacles! 🪼 🫧

This month’s star is the mauve stinger - a glowing jellyfish with long, stinging tentacles! 🪼 Its vibrant bell is covered in tiny cells that deliver a powerful sting. ✨

@thembauk.bsky.social #DASSH #SeaSpectacles #MauveStinger
dassh-at-the-mba.bsky.social
We’ve just published a new blog on iNaturalist UK, featuring marine species to spot in late summer - plus tips on where and how to find them along our coastlines. It’s your perfect guide to making the most of the season’s marine wonders. 🪼

🌊 Dive into the full post here: buff.ly/UARJFek
Top Five Marine Species to Record in Late Summer and How to Find Them
As late summer warms our shores, the UK coastline becomes a vibrant stage for marine wildlife. If you’re heading to the coast, take your phone or camera, download the iNaturalist app, and become a…
uk.inaturalist.org
dassh-at-the-mba.bsky.social
🪸Tricky Taxon Thursday: Sabella spallanzanii 🪸
The European fan worm, native to the NE Atlantic and Mediterranean, thrives in calm, nutrient-rich waters. It builds sandy tubes and filters plankton with its tentacle crown. Females release up to 50,000 eggs each season. See 47 records here 👇
DASSH - DASSH Mapper : Retrieve Data : Data : Home
Use the map tools to create a bounding box to query with...
buff.ly
dassh-at-the-mba.bsky.social
✨📊Celebrating incredible women in data!📊✨
We applaud the Woman in Data group, a charity supporting women in data, and our DASSH data team for their contributions to marine data🐟. With only 1 in 5 data professionals being women, let's empower more women in data!📈 @thembauk.bsky.social
#WomenInData
dassh-at-the-mba.bsky.social
👀 Seen a slipper lobster? 🦞 Let us know!

The small but distinctive Scyllarus arctus is rarely spotted in UK waters, and every sighting helps build a better picture of its range.

📍 If you’ve seen one, send a photo, and details of the sighting to [email protected]

📷 Sean M Dixon #DASSH
dassh-at-the-mba.bsky.social
💬 We’d love to hear from you!

Your feedback helps us improve how we share and manage marine data. If you’ve accessed or contributed data to DASSH, please take a few minutes to fill out our short feedback form:

👉 buff.ly/5qHDdYA

Thank you for helping us make DASSH even better! 🌊📊

📷 Ellen Jones
dassh-at-the-mba.bsky.social
🪸Tricky Taxon Thursday: Ericaria selaginoides 🪸
The rainbow wrack, or magic seaweed, changes from brown to blue-green when submerged. It has a sturdy stipe with spiky branches, reaching 60 cm. Often found in tidal pools along the southern and western UK coasts. See 709 records here 👇
DASSH - DASSH Mapper : Retrieve Data : Data : Home
Use the map tools to create a bounding box to query with...
www.dassh.ac.uk
dassh-at-the-mba.bsky.social
🚨 Invasive Alert: Mitten Crabs 🦀⚠️

They may look cute with their furry claws, but these East Asian crabs are invading new waters and harming native ecosystems. If you see one, report it!

Find out more 👉 buff.ly/WH3JRMt

📷 Mark Rowley #DASSH #MarineData #MittenCrab @thembauk.bsky.social
dassh-at-the-mba.bsky.social
🌊 🐟 Welcome back to Sea Spectacles! 🪼 🫧
Dive into the underwater world with this month's feature: the Moon Jellyfish!🌙 These common jellies drift with the currents, showcasing the ocean's simple beauty 🪼
@thembauk.bsky.social #MoonJellyfish #SeaSpectacles #OceanLife
dassh-at-the-mba.bsky.social
🪸Tricky Taxon Thursday: clibanarius erythropus 🪸
The St Piran’s crab, a hermit crab up to 30mm, lives in empty Dogwhelk shells. Preferring warm waters, it has recently reappeared in the UK, and has blue patterns. Named after Saint Piran, a hermit who survived being cast to sea. See 6 records here👇
DASSH - DASSH Mapper : Retrieve Data : Data : Home
Use the map tools to create a bounding box to query with...
www.dassh.ac.uk
dassh-at-the-mba.bsky.social
🌊 New marine biodiversity data just dropped on the DASSH mapper! 🐚

🔹 2022 MBA Mount Batten Bioblitz
🔹 First UK sighting of Berghia coerulescens
🔹 2022–2024 UK oyster aquaculture sediment surveys

🔗 Dive in: www.dassh.ac.uk/dasshmapper

@thembauk.bsky.social #DASSH #MarineData
📷 Ellen Jones
dassh-at-the-mba.bsky.social
🐙 Why Are We Seeing So Many Octopuses? 👀

We've just published a blog diving into the possible reasons behind the apparent surge in octopus sightings along the Southwest coast recently. If you’re curious about marine life, or just love octopuses, this one’s for you!

👉 Read here: buff.ly/5vfPbWA
dassh-at-the-mba.bsky.social
🪸Tricky Taxon Thursday: caryophyllia smithii🪸
The Devonshire cup coral is a solitary species, ~2.5cm & <80 tentacles. Often mistaken for anemones, a hard body makes it a coral. It has 2 forms: var. smithii -found <100m deep & var. clavus -found 50-1000m & smaller/Narrower. See 540 records here👇
DASSH - DASSH Mapper : Retrieve Data : Data : Home
Use the map tools to create a bounding box to query with...
www.dassh.ac.uk
dassh-at-the-mba.bsky.social
📱🦀 Turn Your Beach Stroll into a Wildlife Discovery! 🌍🔍
✨Download the free iNaturalist app and join a global community of nature lovers. Simply snap a photo of any plant or animal life and the app will help you identify it, log it, and contribute to real scientific research.🙌🔗https://buff.ly/hJa1XQk
dassh-at-the-mba.bsky.social
🎉 Big Rock Pool Challenge: BioBlitz Festival 2025 🦀🌊
Join @therockpoolproject.bsky.social
19–20 Sept for 24hrs of coastal wildlife recording, talks, workshops & outdoor fun!
🌍 Our Coast. Our Climate. Our Future. 🌿

Night rock pooling, snorkelling, citizen science & more!
👉 Sign up: buff.ly/2Coj0d7
dassh-at-the-mba.bsky.social
🪸Tricky Taxon Thursday: Aplysia punctata🪸
Dotted sea hares 🐌 have internal shells & ‘bunny ear’ rhinophores. They're hermaphrodites & can form mating chains! Diet affects colour - green seaweed = green hue.
📍2463 records: bit.ly/455hwuy
dassh-at-the-mba.bsky.social
🪸 Tricky Taxon Thursday: Scyliorhinus stellaris 🪸
The Nursehound catshark, a nocturnal benthic shark up to 160 cm. Females lay eggs on seaweed/rocks, hatch in 5-11 months. Also named the greater-spotted catshark, bull huss, and rough hound shark, it's found in all UK waters. See 391 records here👇
DASSH - DASSH Mapper : Retrieve Data : Data : Home
Use the map tools to create a bounding box to query with...
www.dassh.ac.uk
dassh-at-the-mba.bsky.social
🎉 Congratulations to Chloe, DASSH Data Manager, on being appointed Co-chair of the @medin.bsky.social Communications Working Group! 👏

Chloe brings experience from OBIS, UK/EU data initiatives & years of MEDIN work. Please join us in congratulating Chloe on this well-deserved appointment! 🎊
dassh-at-the-mba.bsky.social
🌊 How is ocean data shaping global decisions?

@univie.ac.at is conducting a survey on Ocean Data and its use in different communities involved in ocean-related negotiations: decision makers, diplomats, non-state actors, scientists.

📝 Fully anonymous & quick to complete: buff.ly/K3Tgi66
QuestionPro Survey
QuestionPro Survey
univie.questionpro.eu
dassh-at-the-mba.bsky.social
🚨 Big news for rotifer fans! 🌊🌀

The Rotifer World Catalog has a new home on the Aphia platform, alongside WoRMS!
Now hosting all published rotifer names + key biological & specimen data.

🔬 A big step for taxonomy & accessibility!
🔗 buff.ly/CtAGbcj

📷 Michael Plewka
@marinespecies.bsky.social