Pennaria disticha
Christmas Tree Hydroid
As recorded: Pennaria disticha Goldfuss, 1820
Animalia › Cnidaria › Hydrozoa › Anthoathecata › Pennariidae
- Locality
- Guam
- Island
- Guam
- Record type
- Preserved specimen
Pennaria disticha observed alive
Since 2000, iNaturalist observers have recorded 1,308 research-grade sightings in the wild, most recently on 2026-10-28.
2026-10-28
Mumbai City, Maharashtra, India
(c) Abhyang_jiraiya, some rights reserved (CC BY-NC)
2026-10-28
Mumbai City, Maharashtra, India
(c) Abhyang_jiraiya, some rights reserved (CC BY-NC)
2026-10-28
Mumbai City, Maharashtra, India
(c) Abhyang_jiraiya, some rights reserved (CC BY-NC)
2026-10-28
Mumbai City, Maharashtra, India
(c) Abhyang_jiraiya, some rights reserved (CC BY-NC)
2026-10-24
BM
(c) Johanna Marshall, some rights reserved (CC BY)
2026-10-21
Roses, ES
(c) pablo_dbr_, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Pennaria disticha. BPBM 2999. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 4979290825. Accessed via explore.bishopmuseum.org/specimens/d/2999.
Record sources
- GBIF occurrence 4979290825 ↗
- Data license: CC_BY_4_0
- Last harvested October 26, 2026