Photo: no rights reserved · CC0 · Source and license. Displayed as a resized crop. Photograph illustrates the species.
Habitat
Partly sheltered rocky shores, with some records on sand or mud
Published depth range
Intertidal to 90 m
Viewing activities
Beach / tidepool · Scuba diving
What to look for
A broad central disk with short, tapering arms and a smooth, reddish-brown and gray surface.
What it eats
Anemones and other bottom-dwelling animals.
Wider distribution
Sitka, Alaska, to Baja California.
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.
Monterey Bay
Recorded here
32,051 OBIS records in the regional query · snapshot 2026-09-12.