Chris Newbert / Thorny Oyster (Spondylus varius) detail showing multiple blue eyes, 30 feet deep, Solomon Islands
00972076
Chris Newbert / Thorny Oyster (Spondylus varius) detail of mantle, 60 feet deep, Solomon Islands
00572880
Pete Oxford / Oyster (Spondylus varians) mantle showing multiple eyes, Raja Ampat Islands, Indonesia
00572879
Pete Oxford / Oyster (Spondylus varians) mantle, Raja Ampat Islands, Indonesia
01731627
David Fleetham / Giant thorny oyster (Spondylus varius), with open shell, showing mantle, Philippines, Pacific Ocean.
01706140
Joel Sartore / Photo Ark / Digitate thorny oyster (Spondylus ictericus) on black background, Gulf Specimen Marine Lab and Aquarium.
01706139
Joel Sartore / Photo Ark / Digitate thorny oyster (Spondylus ictericus) on white background, Gulf Specimen Marine Lab and Aquarium.
01692779
David Fleetham / Mantle detail on a light-sensitive Spondylus / Thorny oyster (Spondylus varians) shell, Philippines, Pacific Ocean.
01645671
Georgette Douwma / Thorny oyster (Spondylus varius), patterns and colours on mantle caused by Zooxanthellae. Derawan Islands, East Kalimantan, Indonesia.
