Cardium magnum

Magnum cockle

Animalia › Mollusca › Bivalvia › Cardiida › Cardiidae

Acrosterigma magnum observed alive

Since 2000, iNaturalist observers have recorded 54 research-grade sightings in the wild, most recently on 2026-07-14.

2026-07-14

Icacos, Trinidad and Tobago

(c) Ivan Hinkson, some rights reserved (CC BY-NC-ND)

2026-04-25

Willemstad, Curaçao

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

2026-04-08

Canton de Sainte-Rose-1, Guadeloupe

(c) Wolfgang Ahlmer, some rights reserved (CC BY)

2026-03-13

Sainte-Luce, Martinique

(c) Brent Guinn, some rights reserved (CC BY-NC)

2026-01-02

Old Pageant Beach - Sand Cay Apartments (Grand Cayman), KY-GT, KY

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

2025-09-10

Icacos, Trinidad and Tobago

(c) Ivan Hinkson, some rights reserved (CC BY-NC-ND)

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

Cardium magnum. BPBM 4424. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 35767498. Accessed via explore.bishopmuseum.org/specimens/mo/4424.