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#5006 · 🪼 jellyfish, starfish, worms & co

Red Tubeworm

🇳🇱 Rode kalkkokerworm ·Serpula vermicularis

🪼 Jellyfish, starfish, worms & co 📍 in Europe, not in NL
Red Tubeworm, photo 1 of 10
1/10 © Jean-Paul Cassez · CC BY-NC 4.0

what is it?

Serpula vermicularis , known by common names including the calcareous tubeworm , fan worm , plume worm or red tube worm , is a species of segmented marine polychaete worm in the family Serpulidae. It is the type species of the genus Serpula and was first described by Linnaeus in 1767. It lives in a tube into which it can retract.

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 1,509iNaturalist observations

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
  • 1,509 observations worldwide on iNaturalist.
  • Scientifically named in 1767 (259 years ago).

fact sheet

English
Red Tubeworm
Nederlands
Rode kalkkokerworm
scientific name
Serpula vermicularis
class
Polychaeta
order
Sabellida
family
Serpulidae
sightings in NL
0
sightings in Europe
974
sightings worldwide
1,509
GBIF records in NL
57
weight
—
length
—
lifespan
—
named
1767

relatives· Serpulidae

Sources: iNaturalist taxon 117576, Wikidata Q1115120, GBIF 8424445, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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