
Holothuria difficilis
Difficult Sea Cucumber
As recorded: Actinopyga parvula Clark, 1920
Animalia › Echinodermata › Holothuroidea › Holothuriida › Holothuriidae
- Locality
- Johnston Atoll
- Island
- Johnston Atoll
- Region
- U.S. Outlying Islands
- Record type
- Preserved specimen
Holothuria difficilis observed alive
Since 2000, iNaturalist observers have recorded 111 research-grade sightings in the wild, most recently on 2026-10-03.

2026-10-03
台灣澎湖縣馬公市三連石滬
(c) 謝忠良, some rights reserved (CC BY-NC)

2026-10-02
Kawela Bay, HI, US
(c) mikeuveges, some rights reserved (CC BY-NC)

2026-09-09
Honolulu, HI, US
(c) Sue Ellen Chajkowski, some rights reserved (CC BY-NC)

2026-07-29
Moffat Beach QLD 4551, Australia
(c) cirolana, some rights reserved (CC BY-NC)

2026-07-26
Province Sud, Nouvelle-Calédonie
(c) Carole BERNARD, some rights reserved (CC BY-NC)

2026-07-04
Province Sud, Nouvelle-Calédonie
(c) Carole BERNARD, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Holothuria difficilis. BPBM 466. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 34787487. Accessed via explore.bishopmuseum.org/specimens/w/466.
Record sources
- GBIF occurrence 34787487 ↗
- Data license: CC0
- Last harvested October 26, 2026
