#4535 · 🦀 crabs & other crustaceans
Gooseneck Barnacle
Pollicipes polymerus
🦀 Crabs & other crustaceans 📍 outside Europe
8 photos from iNaturalist (Creative Commons) · credits & licences
what is it?
Pollicipes polymerus , commonly known as the gooseneck barnacle or leaf barnacle , is a species of stalked barnacle. It is found, often in great numbers, on rocky shores on the Pacific coasts of North America.
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.
- 18,403 observations worldwide on iNaturalist.
- Scientifically named by George Brettingham Sowerby III in 1883 (143 years ago).
fact sheet
- English
- Gooseneck Barnacle
- scientific name
- Pollicipes polymerus
- class
- Hexanauplia
- order
- Pollicipedomorpha
- family
- Pollicipedidae
- sightings in NL
- 0
- sightings worldwide
- 18,403
- GBIF records in NL
- 0
- weight
- —
- length
- —
- lifespan
- —
- named
- 1883 by George Brettingham Sowerby III
relatives· Pollicipedidae
Sources: iNaturalist taxon 48786, Wikidata Q3395339, GBIF 2113807, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.