Megabalanus tintinnabulum
Titan Acorn Barnacle
As recorded: Megabalanus tintinnabulum (Linnaeus, 1758)
Animalia › Arthropoda › Maxillopoda › Sessilia › Balanidae
- Collected by
- W.J. Cooke
- Locality
- Kaneohe Bay; Sampan Channel; Buoy #1
- Island
- Oʻahu
- Region
- United States
- Depth
- 1 m
- Identified by
- W.J. Cooke
- Record type
- Preserved specimen
Megabalanus tintinnabulum observed alive
Since 2000, iNaturalist observers have recorded 385 research-grade sightings in the wild, most recently on 2026-10-10.
2026-10-10
Rodanthe, NC, US
(c) Seth Gibbons, Ph.D., some rights reserved (CC BY-NC)
2026-09-29
FL, US
(c) tshrews, some rights reserved (CC BY-NC)
2026-08-17
Loop Road, Chennai, Tamil Nadu, IN
(c) flowergirl_madras, some rights reserved (CC BY-NC)
2026-06-26
Padre Island Beach, Corpus Christi, TX, US
(c) Chris Acree, some rights reserved (CC BY-SA)
2026-05-03
Crescent Beach, FL 32080, USA
(c) ldburek, some rights reserved (CC BY-NC)
2026-04-27
New Smyrna Beach, FL 32169, USA
(c) sparkypetunia, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Megabalanus tintinnabulum. BPBM 566. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 37518373. Accessed via explore.bishopmuseum.org/specimens/b/566.
Record sources
- GBIF occurrence 37518373 ↗
- Data license: CC0
- Last harvested October 26, 2026
Data-quality notes from GBIF
- Name matched only at a higher rank (e.g. genus)
Spot an error? Let the Invertebrate Zoology department know — corrections flow back to GBIF.