
Chondrocidaris gigantea
Rough-spined Urchin
As recorded: Chondrocidaris gigantea A.Agassiz, 1863
Animalia › Echinodermata › Echinoidea › Cidaroida › Cidaridae
- Locality
- Oahu
- Island
- Oʻahu
- Region
- United States
- Record type
- Preserved specimen
Chondrocidaris gigantea observed alive
Since 2000, iNaturalist observers have recorded 149 research-grade sightings in the wild, most recently on 2026-07-31.

2026-07-31
Mamala Bay, HI, US
(c) Rad Dad Chad, some rights reserved (CC BY-NC)

2026-07-31
Keawakapu
(c) orionsmcc, some rights reserved (CC BY-NC)

2026-07-30
Honokowai 1
(c) orionsmcc, some rights reserved (CC BY-NC)

2026-07-29
Lanai 5
(c) orionsmcc, some rights reserved (CC BY-NC)

2026-07-06
Kalaoa, HI 96740, USA
(c) cello caruso-turiello, some rights reserved (CC BY)

2026-03-06
Poipu, HI 96756, USA
(c) Ryan Shaw, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Chondrocidaris gigantea. BPBM 619. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 35978212. Accessed via explore.bishopmuseum.org/specimens/w/619.
Record sources
- GBIF occurrence 35978212 ↗
- Data license: CC0
- Last harvested October 26, 2026
