David Marriott - Sydney: Fan in silhouette
David Marriott - Sydney: Sleeping Port Jackson Shark
David Marriott - Sydney: Ceratosoma amoenum nudibranch
David Marriott - Sydney: Pteraeolidia ianthina nudibranch
David Marriott - Sydney: 2 x Nudibranch (still checking the formal name)
David Marriott - Sydney: Nudibranch (still checking the formal name)
David Marriott - Sydney: Green Moray Eel