Georgette Douwma / Thorny oyster (Spondylus varians), pattern of mantle. North Sulawesi, Indonesia.
01568504
Linda Pitkin / Variable thorny oyster (Spondylus varius) Rinca, Komodo National Park, Indonesia.
01502257
Pascal Kobeh / Necklace starfish (Fromia monilis) on variable thorny oyster (Spondylus varius), Maldives, Indian Ocean. This starfish is a predator of oysters.
01480523
Pascal Kobeh / Close-up of a Variable thorny oyster (Spondylus varius / varians) on a coral reef, Maldives. Indian Ocean.
01353498
Georgette Douwma / Variable Thorny Oyster (Spondylus varians / varius). Raja Ampat, West Papua, Indonesia.
01346954
Juergen Freund / Details of shell, eyes and mantle of Variable thorny oyster (Spondylus varians / varius) Batangas, Philippines
01346629
Juergen Freund / Details of a thorny oyster (Spondylus varians / varius) with "eyes" in its mantle edge near the shell, New Ireland, Papua New Guinea
01332333
Juergen Freund / Variable thorny oyster (Spondylus varians / varius) and featherstar on coral reef, Misool, Raja Ampat, West Papua, Indonesia, January