Spondylus americanus reaches 16 cm. Thorny oyster (Mollusca) Tropical Atlantic (rare Red Sea). Light red-orange moderate spines. Reefs 5-45 m. LC. Less spectacular than S. varius.
Photo of American Thorny Oyster
Frequently asked questions
How big is the American Thorny Oyster?
American Thorny Oyster (Spondylus americanus) reaches 10–16 cm in length.
At what depth can you find the American Thorny Oyster?
American Thorny Oyster is found between 5–45 m deep.
Is the American Thorny Oyster dangerous to divers?
Danger level: Harmless.
What is the conservation status of the American Thorny Oyster?
IUCN status: Least concern (LC).
Where can you find the American Thorny Oyster?
Found in: Asian Pacific, Caribbean, Eastern Pacific, Indian Ocean & Red Sea.