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Variable Thorny Oyster (Spondylus varius)

Photo of Variable Thorny Oyster (Spondylus varius)

Key facts

Scientific name
Spondylus varius
Common name
Variable Thorny Oyster
Category
Molluscs
Family
Spondylidae
Genus
Spondylus
Size
8–14 cm
Depth
5–40 m
IUCN status
Least concern (LC)
Danger level
Harmless
Habitats
coral-reef, rocky-reef
Behaviours
benthic, solitary, slow-mover
Ocean zones
Asian Pacific, Caribbean, East Atlantic, Eastern Pacific, Indian Ocean & Red Sea, Mediterranean

Description

Spondylus varius reaches 14 cm. Thorny oyster (Mollusca) Indo-Pacific. Red-orange-white spiny shell long spines. Byssus-anchored. Filter-feeder. Coral reefs 5-40 m. LC. Highly colorful photogenic.

Photo of Variable Thorny Oyster

Photo of Variable Thorny Oyster (Spondylus varius)

Frequently asked questions

How big is the Variable Thorny Oyster?
Variable Thorny Oyster (Spondylus varius) reaches 8–14 cm in length.
At what depth can you find the Variable Thorny Oyster?
Variable Thorny Oyster is found between 5–40 m deep.
Is the Variable Thorny Oyster dangerous to divers?
Danger level: Harmless.
What is the conservation status of the Variable Thorny Oyster?
IUCN status: Least concern (LC).
Where can you find the Variable Thorny Oyster?
Found in: Asian Pacific, Caribbean, East Atlantic, Eastern Pacific, Indian Ocean & Red Sea, Mediterranean.

Other species in the genus Spondylus

  • Spondylus gaederopus - European thorny oyster
  • Spondylus americanus - American Thorny Oyster

Sources

  • Taxonomy: WoRMS (AphiaID 207853)
  • Photos: iNaturalist (CC BY-NC)
  • Distribution: GBIF (taxonKey 5729623)
  • Conservation: IUCN Red List
  • Encyclopedia: Wikipedia