Photo 4938832, (c) Damon Tighe, some rights reserved (CC BY-NC), uploaded by Damon Tighe

Attribution © Damon Tighe some rights reserved Uploaded by damontighe Source iNaturalist Associated observations Photos / Sounds What Northern Acorn Barnacle (Semibalanus balanoides) Observer damontighe Date September 18, 2016 05:02 PM EDT Place 04107, Cape Elizabeth, ME, US (Google, OSM) Date Added September 19, 2016 08:40 AM PDT 2 IDs Research Grade View Sizes small medium large original