1/🧵 Over the past decade, misinformation in the popular media & the opinion pages of some journals has promoted the claim that concern over species invasions is overblown, because "most invasions do not cause extinctions".

Here is a brief reminder of what scientific evidence shows...
#bioinvasions

Whether you're a resident, angler, boater, or water steward, you can use this new MSU field guide to brush up on aquatic invasive plants -- and become part of the solution to stop their spread: buff.ly/7dRGNFp

New episode of the Teach Me About the Great Lakes podcast is out! I joined a couple other invasive species folks to talk about the new-ish aquatic invasive species in the #GreatLakes region we think people should know about www.teachmeaboutthegreatlakes.com/113

The invasive American Signal Crayfish is driving the decline of the UK’s native White-clawed Crayfish.

Learn how data can guide management & control strategies in our final crayfish training webinar with Nicky Green on 11th November.

Sign up here:
🔗 www.eventbrite.co.uk/e/1208652485...

The lake sturgeon (a 100-year-living, 90-kg relic from the age of dinosaurs) is returning to Missouri’s rivers after near-extinction from dams and pollution. The revival of a keystone species and signalling broader recovery of the Mississippi basin’s river systems.
buff.ly/NJFBX6f
#ShareGoodNewsToo

A new Special Issue on aquatic invasions has just been released in NeoBiota. Read the editorial to gain an overview of all the papers: Invasions in aquatic systems.

Use this link:
neobiota.pensoft.net/article/1678...

#bioinvasions @neobiota.pensoft.net

"What the barnacle really does signify is that this incredibly pristine environment is starting to become vulnerable to invasive species"
www.cbc.ca/news/canada/...

A beautiful fall day at the Gault Open Doors event 2025 talking to the community about aquatic invasive species 🐟🌱
@picard-m.bsky.social #goldfish #invasivespecies #aquaticecology #tubenosegoby #roundgoby #gaultnaturereserve

Willow emerald damselfly

Lovely examples of how BUTTONS used to be made from the nacreous layer of these bivalves! Just take "hole punches" through the shells! #molluscmonday

Some amazing early-19th century fish illustrations, by Edward Donovan
The natural history of British fishes
www.biodiversitylibrary.org/bibliography...

New Publication in The Journal of Fish Biology!

"Hidden in the gut: Metabarcoding reveals overlooked predation by the invasive European catfish (Silurus glanis)"

onlinelibrary.wiley.com/doi/10.1111/...

📢 New Webinar Oct 14!
Corbicula fluminea arrives in 🇳🇿: first record, pathways & impacts.

Join Dr Deborah Hofstra for insights on biosecurity, management & long-term effects.

🕗 8PM NZST | 8AM BST | 9AM CET
🔗 Register: aub.ie/bSALiV

#InvasiveSpecies #Biosecurity #Corbicula @guardias.bsky.social

The Skagit River is my new favorite river. It's a beautiful, diverse, glacial watershed. All 5 North American salmon species, steelhead, coastal cutthroat, bull trout, & dolly varden are all native & extant. It's an salmonid paradise that aptly means "place of sanctuary" in native Lushootseed. 🐟

JUST-IN
Salmon juveniles are vulnerable to predation by invasive African clawed frogs in Washington state doi.org/10.1139/cjz-... #salmon #predation

In the latest #Fisheries: Strongholds for Pacific Salmon (open access), Reckoning with Coloniality in Alaska Trawl Fisheries (open access), Growth Patterns of Invasive Silver Carp in the Mississippi River Basin, Empowerment as a Goal for College Education, and more: academic.oup.com/fisheries/is...

New #OpenAccess paper! Does augmented reality messaging lead people to take more aquatic #InvasiveSpecies prevention actions? Not in this case... but we have thoughts and it certainly still created some engaging conversations. Check it out! #BioInvasions
doi.org/10.1007/s002...

The long-awaited documentary will be complete by Mid-october. Wykeham Lakes focuses on what a thriving and flourishing freshwater ecosystem looks like. Filmed over 2 years a visual journey into the depths of an incredible freshwater lake. #freshwaterfish #pike #rudd #underwater #scuba #documentary

In the Richelieu River, 25 years' exposure to zebra mussel fouling and food competition has produced a longterm erosion of native unionid mussels, despite the river's chemistry being suboptimal for zebra mussels.
cdnsciencepub.com/doi/10.1139/...

Pre-print: utoronto.scholaris.ca/bitstreams/9...