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
01346885
Juergen Freund / Thorny oyster (Spondylus sp) camouflaged on coral reef, Komodo NP, Indonesia.
01346743
Juergen Freund / Thorny oyster (Spondylus sp) close up mantle and eyes, Bali, Indonesia.
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
01331751
Juergen Freund / Thorny oyster (Spondylus varians / varius) and featherstar on coral reef, Misool, Raja Ampat, West Papua, Indonesia, January
01340267
Nick Upton / Common golden thistle / Spanish oyster thistle (Scolymus hispanicus) with clusters of yellow flowers growing on coastal limestone hillside, Zadar province, Croatia, July.
01340266
Nick Upton / Common golden thistle / Spanish oyster thistle (Scolymus hispanicus) with clusters of yellow flowers growing on coastal limestone hillside, Zadar province, Croatia, July.
01237024
GEORGETTE DOUWMA / Close up of mantle of Variable thorny oyster (Spondylus varians / varius) Solomon Islands
01237028
GEORGETTE DOUWMA / Mantle of Variable thorny oyster (Spondylus varians) covered with a red sponge. Solomon Islands.
01169147
GEORGETTE DOUWMA / Mantle of Thorny oyster {Spondulus aurantius} Great Barrier Reef, Queensland, Australia
