#4441 · 🦀 crabs & other crustaceans

Red Swamp Crayfish

🇳🇱 Rode Amerikaanse rivierkreeft ·Procambarus clarkii

LCleast concern 🦀 Crabs & other crustaceans 📍 in the Netherlands (introduced)

9 photos from iNaturalist (Creative Commons) · credits & licences

1. © fra298 · CC BY-NC-ND 4.0
2. © westcoasthikers · CC BY 4.0
3. © Don Loarie · CC BY 4.0
4. © Mila Turov · CC BY 4.0
5. © Mila Turov · CC BY 4.0
6. © Caden Bettis · CC BY-NC 4.0
7. © annieliveoak · CC BY-NC 4.0
8. © Sarah Robertson · CC BY-NC 4.0
9. © Jorge Bogantes Montero · CC BY-NC 4.0

what is it?

Procambarus clarkii is a species of cambarid freshwater crayfish, native to northern Mexico, and southern and southeastern United States, but also introduced elsewhere (both in North America and other continents), where it is often an invasive pest. It is known variously as the red swamp crawfish , red swamp crayfish , Louisiana crawfish , Louisiana crayfish or mudbug .

base stats

NL sightings 635iNaturalist, research grade
worldwide 29,411iNaturalist observations
threat LCleast concern

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

Spotted 635 times in the Netherlands on iNaturalist: the #6 most seen of the crabs & other crustaceans in NL.
29,411 observations worldwide on iNaturalist.
Scientifically named by Charles Frédéric Girard in 1852 (174 years ago).
Not originally Dutch: it was introduced to the Netherlands.