#4471 · 🦀 crabs & other crustaceans
Rathke's Woodlouse
🇳🇱 Kleipissebed ·Trachelipus rathkii
🦀 Crabs & other crustaceans 📍 in the Netherlands
8 photos from iNaturalist (Creative Commons) · credits & licences
what is it?
Trachelipus rathkii is a species of woodlouse in the genus Trachelipus (family Trachelipodidae). It can be found across Europe, except in the Mediterranean Basin.
base stats
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 23 times in the Netherlands on iNaturalist: the #36 most seen of the crabs & other crustaceans in NL.
- 21,819 observations worldwide on iNaturalist.
- Scientifically named by Johann Friedrich von Brandt in 1833 (193 years ago).
fact sheet
- English
- Rathke's Woodlouse
- Nederlands
- Kleipissebed
- scientific name
- Trachelipus rathkii
- class
- Malacostraca
- order
- Isopoda
- family
- Trachelipodidae
- sightings in NL
- 23
- sightings in Europe
- 5,392
- sightings worldwide
- 21,819
- GBIF records in NL
- 503
- weight
- —
- length
- —
- lifespan
- —
- named
- 1833 by Johann Friedrich von Brandt
relatives· Trachelipodidae
Sources: iNaturalist taxon 203479, Wikidata Q130462, GBIF 2209087, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.