Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Caulacanthus ustulatus
As recorded: Caulacanthus ustulatus (Mert. ex Turner) Kütz.
Plantae › Rhodophyta › Florideophyceae › Gigartinales › Caulacanthaceae
- Collected by
- Newhouse, J.W.
- Collector number
- 3164
- Locality
- Atihiva
- Island
- Tahiti
- Region
- French Polynesia
- Identified by
- N'Yeurt, A.D.R.
- Record type
- Preserved specimen
Caulacanthus ustulatus observed alive
Since 2000, iNaturalist observers have recorded 35 research-grade sightings in the wild, most recently on 2025-01-10.

2025-01-10
Ílhavo, Aveiro, Portugal
(c) Duarte Frade, some rights reserved (CC BY)

2024-11-17
Oruawharo Bay, Great Barrier Island, Auckland, NZ
(c) dbscott, some rights reserved (CC BY-NC)

2024-08-27
Sines, Portugal
(c) jmmoreira, some rights reserved (CC BY-NC)

2024-08-12
Newport Beach, CA, USA
(c) quyksilver, some rights reserved (CC BY-NC)

2024-05-24
Namibe, Angola
(c) edsonmangueira, some rights reserved (CC BY-NC)

2024-05-09
Aljezur, PT-FA, PT
(c) moe_franke, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Caulacanthus ustulatus. BISH 534392. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956577352. Accessed via explore.bishopmuseum.org/specimens/bish/534392.
Record sources
- GBIF occurrence 5956577352 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
