
"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 Nov 17, 2023. Captured Jun 7, 2022 09:28 in 27 Western Ave, Kennebunk, ME 04043, USA.