Crinoids perched on top of a Barrel Sponge (Xestospongia testudinaria). Kimbe Bay, New Britain Stock Photo

RMC7HB7G–Crinoids perched on top of a Barrel Sponge (Xestospongia testudinaria). Kimbe Bay, New Britain

Crinoids perched on top of a Barrel Sponge (Xestospongia testudinaria). Kimbe Bay, New Britain, Papua Stock Photo

RMC7HB7C–Crinoids perched on top of a Barrel Sponge (Xestospongia testudinaria). Kimbe Bay, New Britain, Papua