
CC0 · GBIF · full resolution
Euchelus atratus
Chilodontaidae
- Collected by
- Jens Mathias Ostergaard; Jens Mathias Ostergaard
- Date
- July 1, 1926
- Locality
- Tonga; Tongatapu Group; Tongatabu; Nukualofa; 4th zone of fringing reef
- Region
- Tonga
- Record type
- Preservedspecimen
Collected the same day
On July 1, 1926, Jens Mathias Ostergaard; Jens Mathias Ostergaard also collected 24+ other specimens.
Euchelus atratus observed alive
This specimen was collected in 1926. Since 2000, iNaturalist observers have recorded 32 research-grade sightings in the wild, most recently on 2026-10-09.

2026-10-09
Palm Island QLD, Australia
(c) Elliot Connor, some rights reserved (CC BY-NC)

2026-10-09
Palm Island QLD, Australia
(c) Elliot Connor, some rights reserved (CC BY-NC)

2026-05-25
Bowen, AU
(c) mvlichens, some rights reserved (CC BY-NC)

2026-04-02
Port Hedland
(c) dorisreef, some rights reserved (CC BY-NC)

2025-10-03
Indian Ocean, Eighty Mile Beach, WA, AU
(c) urungaroger, some rights reserved (CC BY-NC)

2024-09-06
Port Hedland WA 6721, Australia
(c) Zaire Schutte, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Euchelus atratus. BPBM 202573. Bernice Pauahi Bishop Museum, Honolulu. Accessed via explore.bishopmuseum.org/specimens/mo/202573.
Record sources
- Last harvested October 27, 2026







