How big is the Giant Helmet?

Giant Helmet (Cassis cornuta) reaches 25–50 cm in length.

At what depth can you find the Giant Helmet?

Giant Helmet is found between 5–40 m deep.

What is the conservation status of the Giant Helmet?

IUCN status: Least concern (LC).

Where can you find the Giant Helmet?

Found in: Asian Pacific, East Atlantic, Indian Ocean & Red Sea.

Giant Helmet (Cassis cornuta)

Key facts

Scientific name: Cassis cornuta
Common name: Giant Helmet
Category: Molluscs
Family: Cassidae
Genus: Cassis
Size: 25–50 cm
Depth: 5–40 m
IUCN status: Least concern (LC)
Danger level: Harmless
Habitats: sandy-bottom, coral-reef
Behaviours: benthic, solitary, slow-mover
Ocean zones: Asian Pacific, East Atlantic, Indian Ocean & Red Sea

Description

Cassis cornuta reaches 50 cm. Giant helmet (Mollusca) Indo-Pacific. Enormous thick shell, brown-black-white patterns. Specialized urchin predator: flips over, removes spines, siphon injects toxin. Slow benthic, heavy consumer. Shell crafting threatens population. Reefs-bottoms 5-40 m. LC but intensive fishing. Spectacular predation.

Photo of Giant Helmet

Frequently asked questions

How big is the Giant Helmet?: Giant Helmet (Cassis cornuta) reaches 25–50 cm in length.
At what depth can you find the Giant Helmet?: Giant Helmet is found between 5–40 m deep.
Is the Giant Helmet dangerous to divers?: Danger level: Harmless.
What is the conservation status of the Giant Helmet?: IUCN status: Least concern (LC).
Where can you find the Giant Helmet?: Found in: Asian Pacific, East Atlantic, Indian Ocean & Red Sea.

Other species in the genus Cassis

Sources

Taxonomy: WoRMS (AphiaID 208963)
Photos: iNaturalist (CC BY-NC)
Distribution: GBIF (taxonKey 5192350)
Conservation: IUCN Red List
Encyclopedia: Wikipedia