About Chamaesipho tasmanica Foster & Anderson, 1986
Chamaesipho tasmanica is an intertidal shoreline barnacle native to Australia. Its main range is centered on New South Wales and Tasmania. This species forms columnar colonies on high intertidal rocks that are relatively free of dense seaweed. Individual barnacles are small, reaching less than 15 mm in size, and are grayish in color. The natural range of Chamaesipho tasmanica is restricted to Australian waters, with the species occurring principally in New South Wales and Tasmania. The northernmost location where this species has been reported is Cape Byron in northern New South Wales. To the west of Tasmania, it has been recorded as far out as Point Sinclair in the Great Australian Bight. It has also been noted once at Lord Howe Island. Chamaesipho tasmanica lives on rocks in the high intertidal zone of exposed coastal areas. It will not settle on any other substrates, and does not colonize sheltered areas. Because C. tasmanica is preyed on by whelks, it avoids locations covered by seaweed, which provide shelter for whelks.
