#4449 · 🦀 crabs & other crustaceans
Asian Shore Crab
🇳🇱 Blaasjeskrab ·Hemigrapsus sanguineus
🦀 Crabs & other crustaceans 📍 in the Netherlands (introduced)
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Ondřej Radosta · CC BY-NC 4.0
- 2. © Nicolas Jouault · CC BY-NC 4.0
- 3. © Andra Waagmeester · CC0
- 4. © Jason M Crockwell · CC BY-NC-ND 4.0
- 5. © Joshua Reynolds · CC BY-NC 4.0
- 6. © Alie / C.A. Kratzer · CC BY-SA 4.0
- 7. © Jason M Crockwell · CC BY-NC-ND 4.0
- 8. © Mike Gigliotti · CC BY-NC 4.0
- 9. © Nicola Newbery · CC BY-NC 4.0
- 10. © Alie / C.A. Kratzer · CC BY-SA 4.0
what is it?
Hemigrapsus sanguineus , the Japanese shore crab or Asian shore crab , is a species of crab from East Asia. It has been introduced to several other shores, and is now an invasive species in North America and Europe.
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 211 times in the Netherlands on iNaturalist: the #14 most seen of the crabs & other crustaceans in NL.
- 7,644 observations worldwide on iNaturalist.
- Scientifically named by Wilhem de Haan in 1853 (173 years ago).
- Not originally Dutch: it was introduced to the Netherlands.
fact sheet
- English
- Asian Shore Crab
- Nederlands
- Blaasjeskrab
- scientific name
- Hemigrapsus sanguineus
- class
- Malacostraca
- order
- Decapoda
- family
- Varunidae
- in NL
- introduced
- sightings in NL
- 211
- sightings in Europe
- 801
- sightings worldwide
- 7,644
- GBIF records in NL
- 31,964
- weight
- —
- length
- —
- lifespan
- —
- named
- 1853 by Wilhem de Haan
relatives· Varunidae
Sources: iNaturalist taxon 48904, Wikidata Q728318, GBIF 2225772, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.
