Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Tydemania expeditionis
Green Spongeball Chain
As recorded: Tydemania expeditionis W.V.Bosse
Plantae › Chlorophyta › Ulvophyceae › Bryopsidales › Udoteaceae
- Collected by
- Tanaka, J.
- Collector number
- 98
- Date
- March 14, 1989
- Locality
- Amitori Bay
- Island
- Iriomote Island
- Region
- Okinawa Prefecture, Japan
- Record type
- Preserved specimen
Collected the same day
On March 14, 1989, Tanaka, J. also collected 1 other specimen.
Tydemania expeditionis observed alive
This specimen was collected in 1989. Since 2000, iNaturalist observers have recorded 78 research-grade sightings in the wild, most recently on 2026-10-01.

2026-10-01
Dahab, South Sinai Governorate, Egypt
(c) elegaer, some rights reserved (CC BY-NC)

2026-09-18
Red Sea, Red Sea, EG
(c) Ruben Clark, some rights reserved (CC BY-NC)

2026-09-18
Mecca, SA
(c) Sofia Walzer, some rights reserved (CC BY-NC)

2026-05-18
North Sulawesi, ID
(c) Malte Sellin, some rights reserved (CC BY-NC)

2026-04-16
Palau
(c) Jay Paroline, some rights reserved (CC BY)

2026-04-15
Red Sea, EG
(c) gusei, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Tydemania expeditionis. BISH 601229. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956410391. Accessed via explore.bishopmuseum.org/specimens/bish/601229.
Record sources
- GBIF occurrence 5956410391 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
