Hydatina physis
Aplustridae
- Collected by
- Baldwin; Baldwin
- Collector number
- RM's #: 37
- Date
- Invalid Date
- Locality
- Maui
- Island
- Maui
- Region
- Maui County, Hawaii, United States
- Coordinates
- 20.7927, -156.3582
- Record type
- Preservedspecimen
Where it was collected
Collected the same day
On Invalid Date, Baldwin; Baldwin also collected 24+ other specimens.
Still here: Hydatina physis observed near this locality
This specimen was collected in 1922. Since 2000, iNaturalist observers have recorded 7 research-grade sightings in the wild within 25 km, most recently on 2026-01-17.

2026-01-17
Maalaea, HI, USA
(c) kfanch, some rights reserved (CC BY-NC)

2025-05-10
Maui, Maalaea, HI, US
(c) lemoore, some rights reserved (CC BY-NC)

2023-04-08
Maui County, US-HI, US
(c) Cricket Raspet, some rights reserved (CC BY)

2022-03-05
Ma'alaea Bay Kihei, HI 96753, USA
(c) Karolle Wall, some rights reserved (CC BY-NC)

2022-02-28
Maalaea, HI, USA
(c) Cricket Raspet, some rights reserved (CC BY)

2021-12-15
North Pacific Ocean, Kihei, HI, US
(c) kelptaylor, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Hydatina physis. BPBM 205109. Bernice Pauahi Bishop Museum, Honolulu. Accessed via explore.bishopmuseum.org/specimens/mo/205109.
Record sources
- Last harvested October 27, 2026






