
"Semibalanus balanoides" is a common and widespread boreo-arctic species of acorn barnacle. It is common on rocks and other substrates in the intertidal zone of north-western Europe and both coasts of North America.
Similar species: Symmetrical Sessile Barnacles
By Christine Young
Attribution Non-Commercial
Uploaded Oct 30, 2023. Captured Jun 6, 2022 11:16 in 23 Twin Pines Ridge, Orr's Island, ME 04066, USA.