This specimen has not been photographed yet.
Sargassum echinocarpum
As recorded: Sargassum echinocarpum J.Ag.
Chromista › Ochrophyta › Phaeophyceae › Fucales › Sargassaceae
- Collected by
- Magruder, W.H.; IkawaM. Ikawa →W.H. Magruder →
- Collector number
- WHM 899
- Locality
- Makaha, Lahilahi Point
- Island
- Oʻahu
- Region
- Hawaii, United States
- Coordinates
- 21.4500, -158.2000
- Record type
- Preserved specimen
Where it was collected
Still here: Sargassum echinocarpum observed near this locality
Since 2000, iNaturalist observers have recorded 28 research-grade sightings in the wild within 25 km, most recently on 2026-06-03.

2026-06-03
Waialua, HI, US
(c) hi_ocean, some rights reserved (CC BY-NC)

2026-04-19
Ewa Beach, HI, USA
(c) Anuschka Faucci, some rights reserved (CC BY-NC)

2026-03-27
Kalaeloa, HI, USA
(c) Chason Pao Gumapac, some rights reserved (CC BY-NC)

2025-05-25
Ewa Beach, HI, USA
(c) Anuschka Faucci, some rights reserved (CC BY-NC)

2025-04-28
Mamala Bay, Ewa Beach, HI, US
(c) eclaudat, some rights reserved (CC BY-NC)

2025-04-27
Ocean Pointe, HI 96706, USA
(c) Anuschka Faucci, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Sargassum echinocarpum. BISH 507082. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956141558. Accessed via explore.bishopmuseum.org/specimens/bish/507082.
Record sources
- GBIF occurrence 5956141558 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
