#4497 · 🦀 crabs & other crustaceans
Riparian Woodlouse
🇳🇱 Oeverpissebed ·Hyloniscus riparius
📍 Петергоф, Санкт-Петербург, Россия
📍 Juszczyn, Polska
📍 20 Sherwood Dr, Westport, CT 06880, USA
📍 Watermael-Boitsfort, Belgique
📍 Adonyi mellékág és környéke
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Katja Schulz · CC BY 4.0
- 2. © Sequoia Janirella Wrens · CC BY-NC 4.0
- 3. © Katja Schulz · CC BY 4.0
- 4. © psweet · CC BY-SA 4.0
- 5. © Pascal Dubois · CC BY-NC 4.0
- 6. Петергоф, Санкт-Петербург, Россия:© eugenekir · CC BY-NC 4.0
- 7. Juszczyn, Polska:© captainnik · CC BY-NC 4.0
- 8. 20 Sherwood Dr, Westport, CT 06880, USA:© Simon Gurvets · CC BY-NC 4.0
- 9. Watermael-Boitsfort, Belgique:© Axel Gosseries · CC BY-NC 4.0
- 10. Adonyi mellékág és környéke:© Tamás Klózer · CC BY-NC 4.0
what is it?
Hyloniscus riparius is a species of woodlouse found in Central and Eastern Europe and subsequently introduced to North America. It is strongly associated with flood plains and can tolerate periods of up to eight weeks submerged under water. In North America, it was first found at St. John's, Newfoundland in 1951, and later in New York, New Jersey, Pennsylvania and North Carolina.
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 5 times in the Netherlands on iNaturalist.
- 2,049 observations worldwide on iNaturalist.
- Scientifically named by Carl Ludwig Koch in 1838 (188 years ago).
fact sheet
- English
- Riparian Woodlouse
- Nederlands
- Oeverpissebed
- scientific name
- Hyloniscus riparius
- class
- Malacostraca
- order
- Isopoda
- family
- Trichoniscidae
- sightings in NL
- 5
- sightings in Europe
- 858
- sightings worldwide
- 2,049
- GBIF records in NL
- 118
- weight
- —
- length
- —
- lifespan
- —
- named
- 1838 by Carl Ludwig Koch
relatives· Trichoniscidae
Sources: iNaturalist taxon 469870, Wikidata Q2580224, GBIF 2208537, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.