#4891 · 🪼 jellyfish, starfish, worms & co
Hairy Sea-mat
🇳🇱 Harig mosdiertje ·Electra pilosa
🪼 Jellyfish, starfish, worms & co 📍 in the Netherlands
📍 4311 Bruinisse, Nederland
📍 Zuid-Holland, NL
📍 Noordwijk, Zuid-Holland, Netherlands
📍 Den Haag, Nederland
📍 Noordwijk, Zuid-Holland, Netherlands
📍 Schiermonnikoog, Schiermonnikoog, Friesland, Netherlands
📍 Katwijk, Zuid-Holland, Netherlands
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © ipat · CC BY-NC-ND 4.0
- 2. © Kim Falck · CC BY-NC 4.0
- 3. © Viktor V. Grøtan · CC BY 4.0
- 4. 4311 Bruinisse, Nederland:© Marleen Schouten · CC BY-NC 4.0
- 5. Zuid-Holland, NL:© invasive_nerd · CC BY-NC 4.0
- 6. Noordwijk, Zuid-Holland, Netherlands:© Michel Langeveld · CC BY 4.0
- 7. Den Haag, Nederland:© Rob Westerduijn · CC BY-NC 4.0
- 8. Noordwijk, Zuid-Holland, Netherlands:© Michel Langeveld · CC BY 4.0
- 9. Schiermonnikoog, Schiermonnikoog, Friesland, Netherlands:© Michel Langeveld · CC BY 4.0
- 10. Katwijk, Zuid-Holland, Netherlands:© Michel Langeveld · CC BY 4.0
what is it?
Electra pilosa is a species of colonial bryozoan in the order Cheilostomata. It is native to the northeastern and northwestern Atlantic Ocean and is also present in Australia and New Zealand.
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
- Spotted 23 times in the Netherlands on iNaturalist: the #45 most seen of the jellyfish, starfish, worms & co in NL.
- 1,691 observations worldwide on iNaturalist.
- Scientifically named in 1767 (259 years ago).
fact sheet
- English
- Hairy Sea-mat
- Nederlands
- Harig mosdiertje
- scientific name
- Electra pilosa
- class
- Gymnolaemata
- order
- Cheilostomatida
- family
- Electridae
- sightings in NL
- 23
- sightings in Europe
- 674
- sightings worldwide
- 1,691
- GBIF records in NL
- 2,469
- weight
- —
- length
- —
- lifespan
- —
- named
- 1767
relatives· Electridae
Sources: iNaturalist taxon 203440, Wikidata Q11843068, GBIF 4984866, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.