![](http://www.alamy.com/thumbs/6/C2C569A3-D30C-4476-9902-12DECF6A1B14/2F3X47B.jpg)
Acorn Barnacles exposed at low tideSemibalanus balanoides Brough Head Orkney Mainland IN000916
Size: 4992px × 3328px
Photo credit: © Bill Coster / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: acorn, balanoides, barnacle, barnacles, britain, british, crustacean, crustaceans, invertebrate, invertebrates, littoral, littorina, nature, orkney, orkneys, pool, rock, rockpool, scotland, semibalanus, tide, tidepool, uk, wildlife, zone