Murex monodon

Leafy Hornmouth

Animalia › Mollusca › Gastropoda › Neogastropoda › Muricidae

Ceratostoma foliatum observed alive

Since 2000, iNaturalist observers have recorded 1,997 research-grade sightings in the wild, most recently on 2026-10-25.

2026-10-25

Pacific Grove, CA, US

(c) Siena Merk, some rights reserved (CC BY-NC)

2026-10-25

N Highway One, CA, US

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

2026-10-13

Ragged Point, CA 93452, USA

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

2026-10-12

Strathcona, BC, CA

(c) Alex Koriath, some rights reserved (CC BY-NC)

2026-10-11

Cayucos, CA 93430, USA

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

2026-10-10

Ragged Point, CA 93452, USA

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

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

Murex monodon. BPBM 3489. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 37626107. Accessed via explore.bishopmuseum.org/specimens/mo/3489.