How big is the Saddle oyster?

Saddle oyster (Anomia ephippium) reaches 3–6 cm in length.

At what depth can you find the Saddle oyster?

Saddle oyster is found between 0–70 m deep.

What is the conservation status of the Saddle oyster?

IUCN status: Least concern (LC).

Where can you find the Saddle oyster?

Found in: East Atlantic, Macaronesia, Mediterranean.

Saddle oyster (Anomia ephippium)

Key facts

Scientific name: Anomia ephippium
Common name: Saddle oyster
Category: Molluscs
Family: Anomiidae
Genus: Anomia
Size: 3–6 cm
Depth: 0–70 m
IUCN status: Least concern (LC)
Danger level: Harmless
Habitats: rocky
Behaviours: sessile, filter-feeder
Ocean zones: East Atlantic, Macaronesia, Mediterranean

Description

Anomia ephippium is an asymmetric bivalve of 3 to 6 cm, with markedly dissimilar valves: upper one bulging and silvery, lower one flat with a central opening through which passes a calcified byssus anchoring it to the substrate. Literally molds itself to the shape of the host rock. Very common on rocks, shells and wrecks from 0 to 70 m. Plankton filter feeder. Iridescent shell prized for decoration.

Photo of Saddle oyster

Frequently asked questions

How big is the Saddle oyster?: Saddle oyster (Anomia ephippium) reaches 3–6 cm in length.
At what depth can you find the Saddle oyster?: Saddle oyster is found between 0–70 m deep.
Is the Saddle oyster dangerous to divers?: Danger level: Harmless.
What is the conservation status of the Saddle oyster?: IUCN status: Least concern (LC).
Where can you find the Saddle oyster?: Found in: East Atlantic, Macaronesia, Mediterranean.

Similar species

Sources

Taxonomy: WoRMS (AphiaID 138748)
Photos: iNaturalist (CC BY-NC)
Distribution: GBIF (taxonKey 5188926)
Conservation: IUCN Red List
Encyclopedia: Wikipedia