
Microcosmus exasperatus
As recorded: Microcosmus claudicans exasperatus Heller, 1878
Animalia › Chordata › Ascidiacea › Stolidobranchia › Pyuridae
- Locality
- Kanoehe Bay; pilings at end of Fish and Game pier
- Island
- Oʻahu
- Region
- United States
- Identified by
- D.P. Abbott
- Record type
- Preserved specimen
Microcosmus exasperatus observed alive
Since 2000, iNaturalist observers have recorded 4 research-grade sightings in the wild, most recently on 2023-04-16.

2023-04-16
Les Îles du Frioul, Marseille, France
(c) Sylvain Le Bris, some rights reserved (CC BY-NC)

2022-10-22
Brisbane QLD, Australia
(c) davinagifford, some rights reserved (CC BY-NC)

2021-05-23
Dunwich QLD 4183, Australia
(c) Dr Melissa Staines, some rights reserved (CC BY-NC)

2017-05-30
Kaneohe Bay, Patch Reef 01
(c) smithsonian_marinegeo, some rights reserved (CC BY-NC-SA)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Microcosmus exasperatus. BPBM 223. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 37577564. Accessed via explore.bishopmuseum.org/specimens/y/223.
Record sources
- GBIF occurrence 37577564 ↗
- Data license: CC0
- Last harvested October 26, 2026
