Dr Crayfish
@drecrevisse.bsky.social
Crayfish researcher, biological illustrator, Arsenal and beer fan.
Reposted by Dr Crayfish
#crustmas
Rusty #crayfish - Faxonius rusticus
(Shot near Cincinnati 8-18-23) 🦞 #photography #wildlifephotography #wildlife #nature #animal #invertebrate #crustacean #crawfish #crawdad
Rusty #crayfish - Faxonius rusticus
(Shot near Cincinnati 8-18-23) 🦞 #photography #wildlifephotography #wildlife #nature #animal #invertebrate #crustacean #crawfish #crawdad
December 9, 2025 at 3:59 PM
#crustmas
Rusty #crayfish - Faxonius rusticus
(Shot near Cincinnati 8-18-23) 🦞 #photography #wildlifephotography #wildlife #nature #animal #invertebrate #crustacean #crawfish #crawdad
Rusty #crayfish - Faxonius rusticus
(Shot near Cincinnati 8-18-23) 🦞 #photography #wildlifephotography #wildlife #nature #animal #invertebrate #crustacean #crawfish #crawdad
Reposted by Dr Crayfish
Marbled crayfish NOT deterred by Canadian snow and ice! (photo by Jofina V., the brave crayfish-woman 🥶)
December 2, 2025 at 2:49 PM
Marbled crayfish NOT deterred by Canadian snow and ice! (photo by Jofina V., the brave crayfish-woman 🥶)
Reposted by Dr Crayfish
picture of tubercle burrowing crayfish by sneaker1 on inaturalist
November 29, 2025 at 1:06 AM
picture of tubercle burrowing crayfish by sneaker1 on inaturalist
Made #Christmas cookies today. Some are in the shape of crayfish of course!
November 30, 2025 at 10:38 PM
Made #Christmas cookies today. Some are in the shape of crayfish of course!
Reposted by Dr Crayfish
I remember watching a documentary about the invasive red swamp crayfish in Berlin and how a company was supplying them whole to the restaurant trade. Maybe these calico crayfish on the Rhine could be, at least partially, dealt with this way. youtu.be/HZWk7aqM3Tk?...
Destructive invaders: Calico crayfish threaten species diversity | DW Documentary
YouTube video by DW Documentary
youtu.be
November 9, 2025 at 6:37 PM
I remember watching a documentary about the invasive red swamp crayfish in Berlin and how a company was supplying them whole to the restaurant trade. Maybe these calico crayfish on the Rhine could be, at least partially, dealt with this way. youtu.be/HZWk7aqM3Tk?...
Reposted by Dr Crayfish
A Sydney Spiny Crayfish crossing the trail in Royal National Park where he'll find a damp ditch to set up home by digging a deep burrow into the mud. This formidable fellow is around 15cms (6") in length and his presence is a good sign that the Hacking River is in pretty good shape. #nature #WildOz
November 18, 2025 at 4:12 AM
Reposted by Dr Crayfish
#wip featuring marbled crayfish, round goby, apple snails, and european water chestnut (all invasive species that affect aquatic ecosystems) fun fact: marbled crayfish are actually all girls, they reproduce asexually #sciart #nature #artist #science #animals #supportartists #art #antiai #snails
November 20, 2025 at 7:36 PM
This is seriously impacting my ability to write my 🦞report😅
November 18, 2025 at 4:26 PM
This is seriously impacting my ability to write my 🦞report😅
Reposted by Dr Crayfish
The Decapoda collection of the Viena's Natural History Museum is very nicely presented
November 13, 2025 at 12:19 PM
The Decapoda collection of the Viena's Natural History Museum is very nicely presented
Reposted by Dr Crayfish
NEW Issue of Crayfish News is out! get it at our website (and become a member if you are not one already!)🦞!
November 12, 2025 at 9:29 PM
NEW Issue of Crayfish News is out! get it at our website (and become a member if you are not one already!)🦞!
Get those nasty red swamp invaders!
The Hooded Merganser is a handsome diving duck with a taste for crustaceans, small fish, and aquatic insects, which they hunt entirely by sight. Their eyes are specially adapted to account for light refraction underwater, making them fearsome—but undeniably beautiful—hunters of crayfish.
November 12, 2025 at 10:47 PM
Get those nasty red swamp invaders!
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🦞!