This specimen has not been photographed yet.
Sargassum echinocarpum
As recorded: Sargassum echinocarpum J.Ag.
Chromista › Ochrophyta › Phaeophyceae › Fucales › Sargassaceae
- Collected by
- Townsend-Cromwell Survey
- Collector number
- TC33-50
- Locality
- Maui
- Island
- Maui
- Region
- Hawaii, United States
- Record type
- Preserved specimen
Sargassum echinocarpum observed alive in Hawaiʻi
Since 2000, iNaturalist observers have recorded 128 research-grade sightings in the wild, most recently on 2026-10-15.

2026-10-15
Hawaii, US
(c) conlonae, some rights reserved (CC BY-NC)

2026-09-27
Ala Moana, Honolulu, HI, USA
(c) avocat, some rights reserved (CC BY)

2026-09-27
Ala Moana, Honolulu, HI, USA
(c) avocat, some rights reserved (CC BY)

2026-09-23
Hawaii Kai, Honolulu, HI, USA
no rights reserved

2026-07-01
Hana, HI 96713, USA
(c) Tim Guida, some rights reserved (CC BY-NC)

2026-06-23
Wailua, HI 96746, USA
(c) Tim Guida, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Sargassum echinocarpum. BISH 508341. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956648642. Accessed via explore.bishopmuseum.org/specimens/bish/508341.
Record sources
- GBIF occurrence 5956648642 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
