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Halimeda opuntia in life
In life — watercress alga, photographed by an iNaturalist observer, not this specimen. (c) 2006 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
BISH 547845Botany

Halimeda opuntia

watercress alga

As recorded: Halimeda opuntia (L.) J.V.Lamour.

Plantae › Chlorophyta › Ulvophyceae › Bryopsidales › Halimedaceae

Collector number
s.n.
Region
Unknown Region
Record type
Preserved specimen
903 Bishop specimens of Halimeda opuntia · collected 1902–2016Species page ›

Halimeda opuntia observed alive

Since 2000, iNaturalist observers have recorded 25 research-grade sightings in the wild, most recently on 2026-04-27.

Halimeda opuntia observed 2026-04-27

2026-04-27

Curaçao

(c) emmaalves, some rights reserved (CC BY-NC)

Halimeda opuntia observed 2025-05-07

2025-05-07

Pigeon Island, Sri Lanka

(c) Linda, some rights reserved (CC BY-NC)

Halimeda opuntia observed 2025-05-03

2025-05-03

(c) Sue, some rights reserved (CC BY-NC)

Halimeda opuntia observed 2024-12-29

2024-12-29

El Qoseir, Red Sea Governorate, Egypte

(c) Marleen Schouten, some rights reserved (CC BY-NC)

Halimeda opuntia observed 2024-01-03

2024-01-03

Fisherman's Rock, North Sound, Grand Cayman

(c) spirula, some rights reserved (CC BY-NC)

Halimeda opuntia observed 2023-09-13

2023-09-13

Bonaire, Lac Bay, Caribbean Netherlands

(c) Jay Brasher, some rights reserved (CC BY)

Observations and photos from iNaturalist, shown only when openly licensed.

Cite this specimen

Halimeda opuntia. BISH 547845. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956328579. Accessed via explore.bishopmuseum.org/specimens/bish/547845.

Record sources