🎄Merry Christmas from Riverfly HQ!🎅 ✨A huge thank you to all our amazing volunteers, partners, funders and supporters for everything you've done throughout 2025. 💧We hope you have a delightful festive break! We'll see you back out on the river in 2026. 🎁Merry Christmas and Happy New Year!

Our November Data Roundup is here! 👏 Riverfly volunteers submitted a huge 526 surveys across the UK! 🎉 This work is supported by our amazing funders at the Environment Agency and @esmeefairbairn.bsky.social  👉 https://www.riverflies.org/riverflyreports

🚨Before you head out to sample your river - check it's safe!🚨 ✅ Complete a Dynamic Risk Assessment ✅ Check river conditions ✅ Sample with a friend Read more in our RMI Theory Guide 👉 www.riverflies.org/keydocuments/#rmitraining #CitizenScience #StaySafeOutdoors #WinterSampling

📣We're recruiting! The Riverfly Partnership is, hosted by the @freshwaterbio.bsky.social seeking a Senior Development Manager to grow sustainable funding for one of Europe's longest-running citizen science programmes. Passionate about rivers and community science? 👉 www.fba.org.uk/riverfly-par...

🎄Thank you to everyone who took part in our Riverfly Christmas Quiz last week! We loved seeing so many of you test your freshwater knowledge. Now it's time to reveal the answers and this year's winner...👀✨ #RiverflyMonitoring #CitizenScience #ChristmasQuiz #Giveaway

☃️ Day 5 - Christmas Quiz Giveaway🎄 ✨Today's Question: Which family of up-wing flies is known for its flattened body shape that helps it cling to rocks in fast-flowing rivers? ✨ Think you know your Riverfly trivia? Test your knowledge for a chance to win our Riverfly Calendar 2026! 🎁

☃️ Day 4 - Christmas Quiz Giveaway🎄 ✨Today's Question: Stoneflies belong to which order of insects? ✨ Think you know your Riverfly trivia? Test your knowledge for a chance to win our Riverfly Calendar 2026! 🎁

☃️ Day 3 - Christmas Quiz Giveaway🎄 ✨Today's Question: What is the missing word? As larvae, riverflies undergo several ............., which is when they shed their outer layer in order to grow larger.✨ Test your knowledge for a chance to win our Riverfly Calendar 2026! 🎁

Day 2 - Christmas Quiz Giveaway🎄 ✨Today's Question: Complete the name of this stonefly species, named after the colour of its markings, once thought to be extinct in the UK until it was discovered on the River Dee in Wales in 2017: 'Scarce ................. sally' Win our Riverfly Calendar 2026! 🎁

Day 1 - Christmas Quiz Giveaway🎄 ✨Today's Question: Which river is the tenth longest river in the UK, flowing through Northamptonshire, Cambridgeshire and Lincolnshire before reaching The Wash? Think you know your Riverfly trivia? Test your knowledge for a chance to win our Riverfly Calendar 2026🎁

New Riverfly sampling spot! 🏡 We've moved HQ, which means one very exciting thing... a brand new Riverfly sampling location for team Riverfly! 🙌 We can't wait to see what invertebrates turn up and how this new site compares over time. 🐛✨ #FreshwaterMonitoring #CitizenScience #FreshwaterFriday

🎄 The perfect stocking filler for freshwater fans! Our 2026 Riverfly Calendar has found its new home inside our Crafty Critters Shopper bag... and it fits perfectly! This duo makes the ideal Christmas gift.✨🎁 Both available on our website shop - grab yours now! https://www.riverflies.org/

Our October Data Roundup is here! 👏 Riverfly volunteers submitted a huge 809 surveys across the UK! 🎉 This work is supported by our amazing funders at the Environment Agency and Esmee Fairbairn Foundation. 👉 https://www.riverflies.org/riverflyreports

🎺We are accepting expressions of interest to participate in London Rivers Week 2026 (Saturday 23rd May to Sunday 31st June). London Rivers Week is a week-long annual campaign inspiring the public to connect with and appreciate London’s rivers and the projects to restore them.⬇️🧵

Thank you to everyone who joined us at the Riverfly Conference 2025! A big shout out to all of our speakers, and to Steve and Rebecca for brilliantly chairing the morning and afternoon sessions. 👏 Presentation slides are on our website: 👉https://www.riverflies.org/newsblog/riverfly-conference

If you, like us, are in awe of #riverflies, check out the fantastic @riverflies.bsky.social 2026 Calendar! Each month is a celebration of the #freshwater species and habitats all the amazing riverfly #volunteers work to protect. 💙 Get your mandibles on a copy today! www.fba.org.uk/shop/p/river...

We're thrilled to share with you an update from #Lakefly – a new citizen science project to monitor the health of our lakes, in partnership with @naturalengland.bsky.social, empowering volunteers to survey freshwater #invertebrates & provide data about water quality. www.fba.org.uk/fba-voice/la...

Great to see @dorsetwildlife.bsky.social spreading the word about the value of Riverfly monitoring here! www.bbc.co.uk/news/article...

We’re proud to have been part of the CaSTCo (Catchment Systems Thinking Cooperative) project, helping advance collaborative river monitoring across England and Wales. Together, we’ve proven that community data can drive real decisions for river recovery, and this is just the start!

💧Crayfish Guidance! In England's rivers we have both native and invasive non-native species of crayfish. 👀 They are pretty hard to tell apart. Learn what to do and not to do if you come accidentally come across one in your Riverfly sample. 👉231027+Riverfly+Guidance+VB.pdf

🪰 Freshwater Friday - Flat-bodied stone-clingers (Heptageniidae) Larvae in this family of mayflies have a flattened shape, which is perfect for clinging to rocks in fast-flowing streams. If you spot them, it’s a good sign of a healthy river. #FreshwaterFriday #Riverfly #Heptageniidae

✨ Last chance to get your ticket! ✨ 📆 The Riverfly Conference - 14th November, at the Natural History Museum. 🐛 We're thrilled to announce our keynote speaker, Josh Cohen at Leeds University, discussing their project: Riverkin. 👉 https://www.tickettailor.com/events/theriverflypartnership/1670265

🐛 Head over to the DaNES Annual Insect Show 2025 this weekend! 🐛 💧Saturday 8th November for displays, talks and live exhibits at Nottingham Trent University. 👉Find out more here: https://www.facebook.com/events/1088208220163788/ #InsectShow2025 #RiverflyMonitoring

Happy Halloween freshwater fiends! Do you believe in ghosts? Nope. How about ghost ponds?👻 Please allow us to introduce you to a the amazing #GhostPond aficionado @carlsayer.bsky.social for inspiring ponderings on the incredible power of ghost pond resurrections! Check it out: youtu.be/bT1FLPCjEPw

Beware the creepy-crawlies of the river... 👻 This Halloween, we’re shining a spooky spotlight on the creepy-crawly creatures living just beneath the surface - riverfly invertebrates 👀 🎃Mayflies 🎃Stoneflies 🎃Caddisflies Their presence tells us if our waters are clean or haunted by pollution 💀

📊 Our September data roundup is here! 👏 Riverfly volunteers submitted a huge 821 surveys across the UK — thank you for every single one. 💙 This work is supported by our amazing funders at the Environment Agency and @esmeefairbairn.bsky.social. 👉https://www.riverflies.org/riverflyreports

The Big Insect Rescue Plan is here! 🐞 Following last month’s Wild Summit, organisations have joined forces to halt UK insect declines.🐝 Take the short survey before the end of the month. Results revealed in spring 2026! 🌸 👉 https://butterfly-conservation.org/big-insect-rescue-plan

✨ Freshwater Friday spotlight: Damselflies! ✨ Part of our Extended Riverfly family, damselflies are slender, agile hunters that spend most of their lives underwater as larvae. 💦 #FreshwaterFriday #RiverflyPartnership #CitizenScience #Damselflies #FreshwaterInvertebrates

🐟 Spawning season reminder! Salmon and trout are beginning to spawn. 👀 If you spot signs of spawning, do not sample at that site, and let your local coordinator know. 📚 Learn more about identifying redds and the spawning process via the Wild Trout Trust www.wildtrout.org/assets/files...

💧Ever wondered what your RMI scores would look like in a pristine river? 🏞️ 👉 Find out more in the replies below.

📅 The Riverfly Partnership 2026 Calendar is here! Beautiful riverfly photos, £10.99, shipping early November! Every purchase supports citizen science and river health. www.fba.org.uk/shop/p/river... #RiverflyPartnership #CitizenScience #Freshwater

🪶 Want to expand your mayfly ID skills? 📘 Mayfly Larvae (Ephemeroptera) of Britain and Ireland by J.M. Elliott & U.H. Humpesch is packed with keys, illustrations and ecology notes to help you ID those tricky Mayflies and beyond. Available at:🔗 www.fba.org.uk/shop/p/m11rz...

🎥 Riverfly Quiz Time! 🐛 Can you guess this riverfly? 👀 Look closely... those tufted gills on the abdomen are a big clue! 💬 Think you know? Drop your answer in the comments! #Riverfly #FreshwaterInvertebrates #CitizenScience

🐛 Freshwater Friday: Blue-winged Olive 💧 Blue-winged Olive numbers have dipped — but don’t worry! It’s a normal seasonal change. Adults emerge in summer, and their eggs wait until spring to hatch. 🌿 📊 Find out more in our Riverfly reports: www.riverflies.org/riverflyrepo...

👋 Meet Rachel Spry - our Riverfly Ecology Contact for South and West Yorkshire! With over three years supporting Riverfly monitors, Rachel’s seen the network grow across Yorkshire. 💧 💬 “It’s wonderful to work in partnership with people who truly care about their local rivers.”

In August 2025, our Riverfly monitors submitted an incredible 882 of surveys across the UK. 📊 👏 Thank you to every volunteer who headed out with a kick net last month. Supported by our funders: Environment Agency and @esmeefairbairn.bsky.social. 👉 www.riverflies.org/riverflyrepo...

🎟️ Reminder: Tickets are still on sale for the Riverfly Conference 2025! 📍 Natural History Museum, London 📆 Friday 14th November 2025 Join us for a day of talks (in-person or online), research & connecting with the Riverfly community. Don’t leave it too late! 👉 www.tickettailor.com/events/theri...

🚨Demon shrimp alert! This invasive non-native species, first recorded in the UK in 2012, is spreading fast and threatening our freshwater wildlife by out-competing and preying on native invertebrates. 📲 Report sightings to innsmapper.org & your group co-ordinator 🧽Always Check, Clean, Dry your kit

Nature’s little builders 🌿 In August, some of our monitors found as many as 1000 cased caddis in their sample! Caddis larvae make protective cases from twigs, sand, and stones. Each one is unique! #FreshwaterFriday #Caddisfly #FreshwaterInvertebrates

🌊 Freshwater survey - have your say! 🌿 Are you involved in freshwater biodiversity or water quality monitoring and research in the UK? 💡 UKCEH have a short 15 minute survey, open to those across the freshwater community. 👉 Take the survey: The Changing Status of Freshwater Biodiversity in the UK

Riverfly data in action! 💧 At Stadhampton Mill, a new bypass channel has reconnected 3.25 km of chalk stream habitat. Early RMI scores are strong (10s) & stoneflies are back - rare for the catchment! 🐟🌱 Read more: www.riverflies.org/case-studies... #Riverfly #DataInAction #ChalkStreams

📢 Big River Watch starts today! Download the free app, spend 15 minutes by your local river, and complete the short survey to tell @theriverstrust.bsky.social what you see. Get your survey in by the 25th of September! #BigRiverWatch. #TheRiversTrust #river #nature #riverflies

This Freshwater Friday we celebrate our Riverfly volunteers going out and braving whatever the British weather has in store for them. A wet day at Cressbrook & Litton Flyfishers Club on the Derbyshire Wye - lots of fun! #volunteers #riverflymonitors #citizenscience #britishweather #freshwaterfriday

📅 The Riverfly Conference 2025 is coming! 📍 Natural History Museum, London 📆 Friday 14th November 2025 🎟️ Tickets now on sale – don’t miss out! www.tickettailor.com/events/theri... #RiverflyConference2025 #CitizenScience #Freshwater

In July 2025, our Riverfly monitors once again showed the power of citizen science, submitting an incredible number of surveys across the UK. 👏 A huge thank you to every volunteer who headed out with a kick net last month! #RiverflyPartnership #CitizenScience #VolunteerPower #Rivers #WaterQuality

Our Freshwater Friday Champion! Small but mighty 🦐. In July, our Riverfly monitors counted a staggering 104,859 freshwater shrimp! Freshwater shrimp are tough, feeding on leaf litter and recycling nutrients back into the river. #FreshwaterFriday #FreshwaterShrimp #RiverflyMonitoring

Be ready for your next survey in style 💧 Kick net ✅ ID guide ✅ Riverfly tote ✅ Our Riverfly tote bags are perfect for field days and every purchase helps us keep rivers healthy. 👉 Grab yours now in the Riverfly shop: riverflies.teemill.com/collection/a...

Time for a little Riverfly ID challenge! We’ve zoomed in on one of our favourite water quality indicators – those leaf-like gills are a big clue… 👀 ❔ Do you know which riverfly this is? Drop your guess in the comments ⬇️ 🌿💧

🗣 Environment Agency warns of invasive pink salmon threat to UK fisheries 👉 Read the press release online here: www.gov.uk/government/n...

Meet your RMI coordinators 😎 Daniel Rutland from Wear Rivers Trust #MeetYourCoordinator #RiverflyPartnership #Volunteers #CitizenScience #ProtectOurRivers #Rivers #Invertebrates