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#5035 · 🪼 jellyfish, starfish, worms & co

Waratah Anemone

Actinia tenebrosa

🪼 Jellyfish, starfish, worms & co 📍 outside Europe
10 photos from iNaturalist (Creative Commons) · credits & licences
  1. 1. © Felix Harper · CC BY-NC 4.0
  2. 2. © wild_wind · CC BY 4.0
  3. 3. © eyeweed · CC BY-NC-ND 4.0
  4. 4. © Arthur Chapman · CC BY-NC-SA 4.0
  5. 5. © Lucy Smiechura · CC BY-NC 4.0
  6. 6. © Lucy Smiechura · CC BY-NC 4.0
  7. 7. © Thomas Mesaglio · CC BY 4.0
  8. 8. © wild_wind · CC BY 4.0
  9. 9. © rasshamra · CC BY-NC 4.0
  10. 10. © tangatawhenua · CC BY-NC 4.0
Waratah Anemone, photo 1 of 10
1/10 © Felix Harper · CC BY-NC 4.0

what is it?

The Waratah anemone , Actinia tenebrosa is the most common species of sea anemone found in the waters of eastern Australia, and New Zealand. It is found relatively high on the seashore, in rock pools, and various cracks and shaded surfaces such as under rock overhangs in the intertidal zone.

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 5,722iNaturalist 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.
  • 5,722 observations worldwide on iNaturalist.
  • Scientifically named by Henry Alexander Russell Farquhar in 1898 (128 years ago).

fact sheet

English
Waratah Anemone
scientific name
Actinia tenebrosa
class
Anthozoa
order
Actiniaria
family
Actiniidae
sightings in NL
0
sightings worldwide
5,722
GBIF records in NL
0
weight
—
length
—
lifespan
—
named
1898 by Henry Alexander Russell Farquhar

relatives· Actiniidae

Sources: iNaturalist taxon 126971, Wikidata Q1983038, GBIF 2256563, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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