Bearded Fireworm

Hermodice carunculata

Markings and exact colorations may vary.

A segmented worm with tufts of white bristles that break off in skin and burn.

Typical size
Usually 4–6 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
Possibly venomous

Don't touch. The bristles pierce skin and cause burning pain and swelling. Use tape to lift out bristles, then rinse.

How to tell it apart

  • Long flattened segmented body, reddish to green
  • Tufts of white bristles along each side
  • Red branching gills and a fleshy lobe at the head

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

Get Florida beachcombing tips

Occasional emails: what's washing up, shelling tips and new BeachNut features. No spam, unsubscribe any time.