Common threats include whelks (sea snails) and starfish. Life Cycle and Reproduction
It uses long, feathery appendages called cirri to filter plankton from the water. Habitat and Ecology balanus balanoides
Adults generally reach up to 15 mm in diameter , though some records suggest they can range up to 7.5 cm in certain conditions. Common threats include whelks (sea snails) and starfish
Balanus balanoides , now more commonly known by its accepted scientific name , is a widespread species of sessile acorn barnacle. It is a dominant member of the rocky intertidal zones in the North Atlantic and North Pacific. Physical Characteristics Balanus balanoides , now more commonly known by
It is famous in ecological studies for its competition with the barnacle Chthamalus stellatus . While Balanus can outgrow and smother Chthamalus in lower, wetter areas, it cannot survive as high up the shore as Chthamalus due to a lower tolerance for drying out.