fragile sea urchin skeleton volcanic sand

navigate by keyword : white volcanic view urchins urchin underwater texture test structure stark spine solitude skeleton seabed sea scuba sand resting remains pattern ocean night nature natural mystery marine macro life invertebrate intricate fragile echinoderm dramatic diving dive detail delicate deep decay death dead dark cycle closeup carcass captures black beauty beach background

A close-up, dramatic view captures the intricate and delicate structure of a sea urchin's skeleton resting on the dark, volcanic sand of the seabed