Beaded Sea Star

Astropecten articulatus

Markings and exact colorations may vary.

A stiff five-armed sea star edged with neat orange bead-like plates around a purple top.

Typical size
3–5 in
How often it turns up
Uncommon
Collecting
Check local rules

This is a living animal. Photograph it and leave it where you found it, or ease it back into the water.

Handling
Photograph and release

How to tell it apart

  • Five stiff, pointed arms
  • Edges lined with bead-like orange plates
  • Purple to violet centre and arm tops

Where to find these in Florida

Beaches rated very good or excellent for tidepool life. Each page shows today’s score, the best window and access details.

Found one?

Photograph it and BeachNut ranks the likely matches with a confidence read, then logs it to your collection with the beach and date.

Browsing beaches and the full field guide is free. A free account logs unlimited finds and gives you three photo identifications a day.

Commonly confused with

  • Lined Sea StarLuidia clathrata

    Lined sea star has long arms with a dark centre stripe; beaded sea star is stiffer with orange bead-like edges.

More tidepool life in the field guide

Browse every tidepool life in the guide

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