
CC0 · GBIF · full resolution
Rissoina ambigua
Animalia › Mollusca › Gastropoda › Littorinimorpha › Rissoinidae
- Collected by
- Thaanum; Thaanum
- Collector number
- 6279
- Date
- 1938
- Locality
- Waianae; Maili
- Island
- Oʻahu
- Region
- Honolulu County, Hawaii, United States
- Record type
- Preservedspecimen
Rissoina ambigua observed alive in Hawaiʻi
This specimen was collected in 1938. Since 2000, iNaturalist observers have recorded 34 research-grade sightings in the wild, most recently on 2026-10-21.

2026-10-21
Kalakaua Ave, Honolulu, HI, US
(c) jordan loftin, some rights reserved (CC BY-NC)

2026-10-21
Kalakaua Ave, Honolulu, HI, US
(c) jordan loftin, some rights reserved (CC BY-NC)

2026-10-21
Kalakaua Ave, Honolulu, HI, US
(c) jordan loftin, some rights reserved (CC BY-NC)

2026-10-21
Kalakaua Ave, Honolulu, HI, US
(c) jordan loftin, some rights reserved (CC BY-NC)

2026-06-09
Kalākaua Ave, Honolulu, HI, US
(c) jordan loftin, some rights reserved (CC BY-NC)

2026-06-08
Kalākaua Ave, Honolulu, HI, US
(c) jordan loftin, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Rissoina ambigua. BPBM 228831. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 38486081. Accessed via explore.bishopmuseum.org/specimens/mo/228831.
Record sources
- GBIF occurrence 38486081 ↗
- Data license: CC0
- Last harvested October 27, 2026
