Dr Crayfish
@drecrevisse.bsky.social
Crayfish researcher, biological illustrator, Arsenal and beer fan.
Reposted by Dr Crayfish
Seagull caught a Crayfish
October 31, 2025 at 11:58 AM
Seagull caught a Crayfish
Very rare bilateral colour mutation in a Rusty Crayfish from the Chagrin R. (photo by Sean Williams)
November 7, 2025 at 8:17 PM
Very rare bilateral colour mutation in a Rusty Crayfish from the Chagrin R. (photo by Sean Williams)
Got to 😍 this band! 🦞!
November 6, 2025 at 6:30 PM
Got to 😍 this band! 🦞!
Reposted by Dr Crayfish
Humans as an invasive species...
November 1, 2025 at 4:43 PM
Humans as an invasive species...
Last monitoring for Marbled crayfish. Was cold and wet but we still did get some.
October 31, 2025 at 11:40 PM
Last monitoring for Marbled crayfish. Was cold and wet but we still did get some.
Trick or treat! Happy Halloween from dr🦞!
October 31, 2025 at 10:29 PM
Trick or treat! Happy Halloween from dr🦞!
Reposted by Dr Crayfish
Reposted by Dr Crayfish
🎃 Halloween costumes 👻 to scare scientists!!!
October 28, 2025 at 9:39 PM
🎃 Halloween costumes 👻 to scare scientists!!!
She was eating my crayfish book and then fell asleep !?!🦞🦞📗🐈⬛
October 28, 2025 at 9:46 PM
She was eating my crayfish book and then fell asleep !?!🦞🦞📗🐈⬛
Reposted by Dr Crayfish
Fears for endangered Tasmanian crayfish species after 'unauthorised' earthworks
Last year TEPA (EPA) quietly issued a stop-work notice to an industrial company over "unauthorised" and "extensive" damage to waterways housing the endangered giant freshwater crayfish.
www.abc.net.au/news/2025-10...
Last year TEPA (EPA) quietly issued a stop-work notice to an industrial company over "unauthorised" and "extensive" damage to waterways housing the endangered giant freshwater crayfish.
www.abc.net.au/news/2025-10...
Unauthorised land clearing impacted endangered crayfish, EPA finds
A creek in northern Tasmanian known to be home to the endangered giant freshwater crayfish has sustained "serious environmental harm" from land clearing and earthworks, the Environment Protection Agen...
www.abc.net.au
October 21, 2025 at 5:23 AM
Fears for endangered Tasmanian crayfish species after 'unauthorised' earthworks
Last year TEPA (EPA) quietly issued a stop-work notice to an industrial company over "unauthorised" and "extensive" damage to waterways housing the endangered giant freshwater crayfish.
www.abc.net.au/news/2025-10...
Last year TEPA (EPA) quietly issued a stop-work notice to an industrial company over "unauthorised" and "extensive" damage to waterways housing the endangered giant freshwater crayfish.
www.abc.net.au/news/2025-10...
Reposted by Dr Crayfish
Reposted by Dr Crayfish
I’ve never seen the biggest freshwater crayfish in the world, but here’s me holding the second biggest (Euastacus armatus)!
October 24, 2025 at 12:08 PM
I’ve never seen the biggest freshwater crayfish in the world, but here’s me holding the second biggest (Euastacus armatus)!
I am having a bit of trouble this morning working on my crayfish report…
October 24, 2025 at 3:17 PM
I am having a bit of trouble this morning working on my crayfish report…
Reposted by Dr Crayfish
IAA25 will have crayfish oral and poster presentations from around the world. Come get a taste of Louisiana with a crayfish boil, Cajun band, and airboat tours through the swamps. The IAA25 website with conference registration, hotel conference rate booking, and meeting information is coming soon
October 17, 2025 at 6:49 PM
IAA25 will have crayfish oral and poster presentations from around the world. Come get a taste of Louisiana with a crayfish boil, Cajun band, and airboat tours through the swamps. The IAA25 website with conference registration, hotel conference rate booking, and meeting information is coming soon
Reposted by Dr Crayfish
The International Association of Astacology's 25th International Symposium on Freshwater Crayfish will be held in New Orleans, Louisiana on 1-5 June 2026 at the Sheraton New Orleans Hotel.
October 17, 2025 at 6:46 PM
The International Association of Astacology's 25th International Symposium on Freshwater Crayfish will be held in New Orleans, Louisiana on 1-5 June 2026 at the Sheraton New Orleans Hotel.
Last sample of the season at one of my favourite spots. 10C and most adult crayfish have mostly disappeared from the stream.
October 11, 2025 at 1:05 PM
Last sample of the season at one of my favourite spots. 10C and most adult crayfish have mostly disappeared from the stream.
Reposted by Dr Crayfish
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...
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...
October 10, 2025 at 12:12 PM
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...
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...
Reposted by Dr Crayfish
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
Teach Me About the Great Lakes | Spoiler Alert: This is Not Fine
What are the aquatic invasive species that Great Lakes experts wish you knew more about? Megan and Carolyn discuss with TMATGL all-stars El Lower, Katie O'Reilly, and Brian Roth.Links:Past episodes...
www.teachmeaboutthegreatlakes.com
October 7, 2025 at 8:06 PM
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
Reposted by Dr Crayfish
A crayfish making his way back into Lake Superior this morning
October 6, 2025 at 2:36 PM
A crayfish making his way back into Lake Superior this morning
Reposted by Dr Crayfish
We just sued to protect the Miami cave crayfish, a species under immediate threat from saltwater intrusion cause by sea-level rise, more frequent tidal flooding, and storms of increasing intensity.
By 2070, they may lose as much as half of all available habitat.
Learn more ➡️ bit.ly/4pU37dc
By 2070, they may lose as much as half of all available habitat.
Learn more ➡️ bit.ly/4pU37dc
September 30, 2025 at 9:02 PM
We just sued to protect the Miami cave crayfish, a species under immediate threat from saltwater intrusion cause by sea-level rise, more frequent tidal flooding, and storms of increasing intensity.
By 2070, they may lose as much as half of all available habitat.
Learn more ➡️ bit.ly/4pU37dc
By 2070, they may lose as much as half of all available habitat.
Learn more ➡️ bit.ly/4pU37dc
