merirokko

Semibalanus balanoides
#nm_0599📍 Finland
Language
Finnish
Transliteration
merirokko
IPA
/ˈmerirokːo/

Compound: meri + rokko meri: sea, rokko: pox, pustule, for the volcano-like conical shell plates ↳ rokko a native Finnish word for pox/rash, of Finno-Ugric origin

Common acorn barnacle, a sessile filter-feeding crustacean enclosed in conical calcareous plates cemented to rock. Abundant on North Atlantic intertidal shores.