How big is the Crocus giant clam?

Crocus giant clam (Tridacna crocea) reaches 8–15 cm in length.

At what depth can you find the Crocus giant clam?

Crocus giant clam is found between 0–20 m deep.

What is the conservation status of the Crocus giant clam?

IUCN status: Least concern (LC).

Where can you find the Crocus giant clam?

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

Crocus giant clam (Tridacna crocea)

Key facts

Scientific name: Tridacna crocea
Common name: Crocus giant clam
Category: Molluscs
Family: Cardiidae
Genus: Tridacna
Size: 8–15 cm
Depth: 0–20 m
IUCN status: Least concern (LC)
Danger level: Harmless
Habitats: coral-reef
Behaviours: sessile, filter-feeder, symbiotic
Ocean zones: Asian Pacific, Indian Ocean & Red Sea

Description

Tridacna crocea reaches 15 cm, smallest of Tridacna giant clams. Shell deeply embedded in cavities it digs in hard corals (Porites notably) with its 4 strong radial ribs. Mantle yellow (hence crocea, saffron), green or vivid blue very compact, very colorful visible when open. Lives from 0 to 20 m on coral reefs of central Indo-Pacific. Listed LC. Filter feeder and photosynthetic. Capable of retracting mantle and closing strongly. Iconic macro photo subject for vivid mosaic colors.

Photo of Crocus giant clam

Frequently asked questions

How big is the Crocus giant clam?: Crocus giant clam (Tridacna crocea) reaches 8–15 cm in length.
At what depth can you find the Crocus giant clam?: Crocus giant clam is found between 0–20 m deep.
Is the Crocus giant clam dangerous to divers?: Danger level: Harmless.
What is the conservation status of the Crocus giant clam?: IUCN status: Least concern (LC).
Where can you find the Crocus giant clam?: Found in: Asian Pacific, Indian Ocean & Red Sea.

Other species in the genus Tridacna

Other species in the family Cardiidae

Sources

Taxonomy: WoRMS (AphiaID 207673)
Photos: iNaturalist (CC BY-NC)
Distribution: GBIF (taxonKey 4372638)
Conservation: IUCN Red List
Encyclopedia: Wikipedia