Photo: (c) Harrison Cole, some rights reserved (CC BY) · CC-BY · Source and license. Displayed as a resized crop. Photograph illustrates the species.
Habitat
Wave-splashed rocky shores
Habitat zone
Intertidal rocks and the splash zone
Viewing activities
Beach / tidepool
What to look for
A shore crab also known as ʻaʻama in Hawaiʻi; the field account gives a shell width of about 2 inches.
Wider distribution
Hawaiʻi and the wider Indo-Pacific.
When to look
The available records do not establish a reliable local viewing season. Use the map’s month filter to inspect dated observations; it does not predict an encounter.
WHERE HAS IT BEEN RECORDED?
Explore the featured regions
These dated records show past presence. They do not establish today’s abundance, guarantee a sighting, or describe the species’ entire range.
Hawaiʻi
Recorded here
3,089 OBIS records in the regional query · snapshot 2026-09-12.
Individual records in this sample do not supply habitat or depth. Use the species reference above for biological context.