#5020 · 🪼 jellyfish, starfish, worms & co
Aggregating Anemone
Anthopleura elegantissima
7 photos from iNaturalist (Creative Commons) · credits & licences
what is it?
Anthopleura elegantissima , also known as the aggregating anemone or clonal anemone , is the most abundant species of sea anemone found on rocky, tide swept shores along the Pacific coast of North America. This cnidarian hosts endosymbiotic algae called zooxanthellae that contribute substantially to primary productivity in the intertidal zone. A. elegantissima has become a model organism for the study of temperate cnidarian-algal symbioses.
base stats
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.
- 33,730 observations worldwide on iNaturalist.
- Scientifically named by Johann Friedrich von Brandt in 1835 (191 years ago).
fact sheet
- English
- Aggregating Anemone
- scientific name
- Anthopleura elegantissima
- class
- Anthozoa
- order
- Actiniaria
- family
- Actiniidae
- sightings in NL
- 0
- sightings worldwide
- 33,730
- GBIF records in NL
- 0
- weight
- —
- length
- —
- lifespan
- —
- named
- 1835 by Johann Friedrich von Brandt
relatives· Actiniidae
#4868 📷 10Dahlia Anemone
🇳🇱 Zeedahlia
Urticina felina
👀 68 in NL
#4870 📷 7Atlantic Beadlet Anemone
🇳🇱 Rode paardenanemoon
Actinia equina
👀 62 in NL
#4926 📷 7snakelocks anemone
🇳🇱 Wasroos
Anemonia viridis
LC 👀 9 in NL
#5021 📷 8Sunburst Anemone
Anthopleura sola
🌍 33.7k seen
#5022 📷 7Giant Green Anemone
Anthopleura xanthogrammica
🌍 28.7k seen
#5028 📷 10Moonglow Anemone
Anthopleura artemisia
🌍 10.2k seen
#5029 📷 7Painted Anemone
Urticina grebelnyi
🌍 9.6k seen
#5035 📷 10Waratah Anemone
Actinia tenebrosa
🌍 5.7k seen
Sources: iNaturalist taxon 52564, Wikidata Q1626154, GBIF 2256826, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.
