Balanus Balanoides Info

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

Common threats include whelks (sea snails) and starfish. Life Cycle and Reproduction 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. Balanus balanoides , now more commonly known by

It typically has six calcified grey-white shell plates . A key distinguishing feature is its membranous base , unlike many other barnacles that have calcified bases. Life Cycle and Reproduction Adults generally reach up

It thrives in the intertidal zone , where it is regularly submerged and exposed by the tide.

The opening at the top is diamond-shaped and protected by four plates that form a "door" to prevent drying out (desiccation) during low tide.