Tetraclita

Volcano Barnacles

As recorded: Tetraclita Schumacher, 1817

Animalia › Arthropoda › Maxillopoda › Sessilia › Tetraclitidae

Collected by: S. Henderson
Locality: Keauhou; from new shoreline area created by submergence of coastal lowlands
Island: Hawaiʻi Island
Region: United States
Record type: Preserved specimen

Tetraclita observed alive

Since 2000, iNaturalist observers have recorded 6,285 research-grade sightings in the wild, most recently on 2026-10-26.

2026-10-26

6th Ave / Mission St, Carmel-By-The-Sea, CA 93921, USA

(c) Karla Agredano, some rights reserved (CC BY-NC)

2026-10-24

Village of La Jolla, San Diego, CA 92037, USA

(c) Jon Pleizier, some rights reserved (CC BY-NC)

2026-10-12

Entrance Channel, Newport Beach, CA, US

(c) Alexandra Noyes, some rights reserved (CC BY-NC)

2026-10-11

Cayucos, CA 93430, USA

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

2026-10-09

CA, US

(c) Devon Bradley, some rights reserved (CC BY)

2026-10-09

San Mateo County, CA, USA

(c) Isabella Fasolino, some rights reserved (CC BY-NC)

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

Tetraclita. BPBM 610. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 39054547. Accessed via explore.bishopmuseum.org/specimens/b/610.