PC_100068 Small black sacoglossan (Ercolania felina) habitat amongst the filamentous algae (Chaetomorpha aerea). Ercolania feeds on the liquid contents of the tiny swollen cells of this algae, which grows in the often warm, hyposaline water of shallow tidal pools in late summer. Brighton Beach
DSC_3468 Umbrella sea slug (Umbraculum umbraculum) a bizarre-looking side-gilled sea slug, which may be grey, brown, orange, or reddish. Uncommon, on rocky reefs in open localities from low intertidal to 40m. Northeastern coast of North Island down to Leigh, as well as widespread in tropical and subtropical seas. Maitai Bay, Karikari Peninsula *
DSC_4978 Large violet snail, or kararua (Janthina janthina) gull-damaged empty shells, washed ashore on beach in Northland.
