A starfish Linckia laevigata(Linnaeus, 1758), known as 'Blue Linckia' or 'Blue star',
within a mat of various algae at the fringing reef about 1 km ashore from the coast line of Eastern Unguja,
the major island of the Zanzibar archipelago; water depth: 3-4 m; Camera: Pentax Optio W80