Sea Urchin Test

Lytechinus variegatus

Markings and exact colorations may vary.

The fragile green-white shell left behind when a variegated urchin dies.

Typical size
1 to 3 inches
How often it turns up
Common
Collecting
Restricted

Empty tests only. Live urchin collection is regulated.

Handling
May be alive

Live urchin spines can break off in skin.

How to tell it apart

  • Round, slightly flattened dome
  • Rows of tiny bumps where spines attached
  • Pale green to white and very thin

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.

More tidepool life in the field guide

Browse every tidepool life in the guide

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