#4539 · 🦀 crabs & other crustaceans
Yellow Shore Crab
Hemigrapsus oregonensis
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Steven Mlodinow · CC BY-NC 4.0
- 2. © Micah Carrick · CC BY 4.0
- 3. © Scott Loarie · CC0
- 4. © Scott Loarie · CC0
- 5. © Griff · CC BY-NC 4.0
- 6. © Jamie · CC BY-NC 4.0
- 7. © Wendy Feltham · CC BY-NC 4.0
- 8. © Chris Evers · CC BY-NC 4.0
- 9. © Joshua · CC0
- 10. © draco_cd · CC BY-NC-SA 4.0
what is it?
Hemigrapsus oregonensis is a small shore crab of the family Varunidae; it was formerly classified under the family Grapsidae. It is known under several common names, including yellow shore crab , hairy shore crab , green shore crab , mud-flat crab , and Oregon shore crab .
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
- No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
- 17,399 observations worldwide on iNaturalist.
- Scientifically named by James Dwight Dana in 1851 (175 years ago).
fact sheet
- English
- Yellow Shore Crab
- scientific name
- Hemigrapsus oregonensis
- class
- Malacostraca
- order
- Decapoda
- family
- Varunidae
- sightings in NL
- 0
- sightings worldwide
- 17,399
- GBIF records in NL
- 0
- weight
- —
- length
- —
- lifespan
- —
- named
- 1851 by James Dwight Dana
relatives· Varunidae
#4449 📷 10Asian Shore Crab
🇳🇱 Blaasjeskrab
Hemigrapsus sanguineus
👀 211 in NL
#4452 📷 8Chinese Mitten Crab
🇳🇱 Chinese wolhandkrab
Eriocheir sinensis
👀 186 in NL
#4453 📷 10Brush-clawed Shore Crab
🇳🇱 Borstelkrab
Hemigrapsus takanoi
👀 163 in NL
#4541 📷 10Purple Shore Crab
Hemigrapsus nudus
🌍 15.9k seen
Sources: iNaturalist taxon 69170, Wikidata Q5234354, GBIF 2225774, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.