Species

Spirobranchus spinosus (Panamic christmas tree worm)

Spirobranchus spinosus. Photo: (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC)

Spirobranchus is a small genus of tube-building annelid fanworms in the family Serpulidae.

— Wikipedia

Sightings

Where in Humboldt


Discussion

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