P_1010052 Pink sponge (Family Poecilosclerida) encrusting a rock in the low intertidal zone. Brighton Beach *
DSC_ 1402 Colonial ascidians, including plum-red ascidians (Hypsistozoa fasmeriana), and cream, and orange ascidians (Aplidium benhami). They are surrounded by the bright yellow channelled sponge (Crella incrustans), and two pink golf ball sponges (Tethya burgquistae), all encrusting the walls of a sea cave at low tide. Quarantine Point, Otago Harbour *
DSC_6993 Cream sponge (Halichondria panicea) at low tide, growing in a sheltered, shaded environment beneath a boat shed. Commonly encrusts rock in the mid to low tide zone to depths of 20m. Broad Bay *
