Grapsus grapsus
Red Rock Crab
(Linnaeus, 1758)Accepted name in the World Register of Marine Species.WoRMS 422188 ↗
Photo: (c) John Sullivan, some rights reserved (CC BY-NC), uploaded by John Sullivan (iNaturalist)
39
Bishop specimens
0
Type specimens
—
First collected
—
Last collected
2026
Last seen alive in Hawaiʻi
In the Library
Bishop Museum publications whose pages name Grapsus grapsus, most mentions first.
2002
Nonindigenous marine species in Kane‘ohe Bay, O‘ahu, Hawai‘iColes, S.L., R.C. DeFelice & L.G. Eldredge · Contribution to the Hawaii Biological Survey · 3 pages
2002
Nonindigenous marine species at Waikiki and Hawaii Kai, O‘ahu, Hawai‘iColes, S.L., R.C. DeFelice & L.G. Eldredge · Contribution to the Hawaii Biological Survey · 1 page
Alive today
3,725 research-grade iNaturalist sightings in the wild in Hawaiʻi since 2000. Most recent first.
2026-10-25
Captain Cook, HI, US
(c) Chris, some rights reserved (CC BY-NC)
2026-10-25
Captain Cook, HI, US
(c) cwlonie6626, some rights reserved (CC BY-NC)
2026-10-20
Waikoloa Beach Resort, HI, USA
(c) Cody Iordachescu, some rights reserved (CC BY-NC)
2026-10-19
Kalanianaole St, Hilo, HI, US
(c) vbaker225, some rights reserved (CC BY-NC)
2026-10-18
Hawaii County, US-HI, US
(c) aswanga, some rights reserved (CC BY-NC)
2026-10-18
Ala Moana Bl + Opp Kamakee St, Honolulu, HI 96814, USA
(c) Sam Buswell, some rights reserved (CC BY-NC)
2026-10-18
Kaahumanu Pl, Kailua Kona, HI, US
(c) Scott Ruybalid, some rights reserved (CC BY-NC)
2026-10-16
Kipu Rd, Lihue, HI, US
(c) MB, some rights reserved (CC BY-NC)