Balanus trigonus
Triangle Barnacle
As recorded: Balanus trigonus Darwin, 1854
Animalia › Arthropoda › Maxillopoda › Sessilia › Balanidae
- Locality
- Pearl Harbor
- Island
- Oʻahu
- Region
- United States
- Identified by
- William Newman
- Record type
- Preserved specimen
Balanus trigonus observed alive
Since 2000, iNaturalist observers have recorded 831 research-grade sightings in the wild, most recently on 2026-10-17.
2026-10-17
Opito Bay Beach, Whitianga, Waikato, NZ
(c) nzfernbird, some rights reserved (CC BY-NC)
2026-08-28
Christchurch City, Canterbury Region, New Zealand
(c) Mac Durning, some rights reserved (CC BY-NC)
2026-08-24
Santa Cruz, EC-GA, EC
(c) Billy Bensted-Smith, some rights reserved (CC BY-NC)
2026-08-22
Sanibel, FL, US
(c) diego, some rights reserved (CC BY-NC)
2026-08-08
Καλαμαριά, Ελλάδα
(c) Platon Kleanthidis, some rights reserved (CC BY-NC)
2026-08-06
Florida, US
(c) familiarjumpingspider, some rights reserved (CC BY)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Balanus trigonus. BPBM 723. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 1090173274. Accessed via explore.bishopmuseum.org/specimens/b/723.
Record sources
- GBIF occurrence 1090173274 ↗
- Data license: CC0
- Last harvested October 26, 2026