Southern Ocean, Antarctica, South Shetland Islands, Robert Island, Coppermine Peninsula, rocky shore (''Roquerío Gaviota'') overlooking the English Strait, about mid-way between Cape Morris and Coopermine Cove (62º24'S, 59º30'W); lower intertidal, rocky shore during low tide, from among the alga Gigartina skottsbergii Setchell & Gardner, 1936