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#4915 · 🪼 jellyfish, starfish, worms & co

Sand Sea Star

🇳🇱 Kamster ·Astropecten irregularis

🪼 Jellyfish, starfish, worms & co 📍 in the Netherlands
Sand Sea Star, photo 1 of 10
1/10 © Frédéric ANDRE · CC BY-NC 4.0

what is it?

Astropecten irregularis is a sea star of the family Astropectinidae. Common names include Sand sea star (P. i. pontoporeus).

base stats

  • NL sightings 12iNaturalist, research grade
  • worldwide 755iNaturalist 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

  • Spotted 12 times in the Netherlands on iNaturalist.
  • 755 observations worldwide on iNaturalist.
  • Scientifically named by Thomas Pennant in 1777 (249 years ago).

fact sheet

English
Sand Sea Star
Nederlands
Kamster
scientific name
Astropecten irregularis
class
Asteroidea
order
Paxillosida
family
Astropectinidae
sightings in NL
12
sightings in Europe
570
sightings worldwide
755
GBIF records in NL
0
weight
—
length
—
lifespan
—
named
1777 by Thomas Pennant

Sources: iNaturalist taxon 461704, Wikidata Q1749115, GBIF 5186572, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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