Semibalanus balanoides
Northern Acorn Barnacle
As recorded: Balanus balanoides calcaratus Pilsbry, 1916
Animalia › Arthropoda › Maxillopoda › Sessilia › Archaeobalanidae
- Locality
- Kodiak
- Island
- Alaska
- Region
- United States
- Record type
- Preserved specimen
Semibalanus balanoides observed alive
Since 2000, iNaturalist observers have recorded 5,134 research-grade sightings in the wild, most recently on 2026-10-25.
2026-10-25
Peggy's Cove, NS B3Z 3R7, Canada
(c) Dominique Menard, some rights reserved (CC BY)
2026-10-25
Halifax, CA-NS, CA
(c) floweringvines, some rights reserved (CC BY-NC)
2026-10-20
Falkirk, Scotland, GB
(c) Dexter Chiclo, some rights reserved (CC BY-NC)
2026-10-15
Hopewell Cape, NB E4H 4Z5, Canada
(c) Emma_Chip, some rights reserved (CC BY-NC)
2026-10-15
Saint Patrick Parish, NB, Canada
(c) flashbulbfish, some rights reserved (CC BY-NC)
2026-10-12
Bar Rd, St. Andrews, NB, CA
(c) Iris, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Semibalanus balanoides. BPBM 380. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 35405360. Accessed via explore.bishopmuseum.org/specimens/b/380.
Record sources
- GBIF occurrence 35405360 ↗
- Data license: CC0
- Last harvested October 26, 2026