Northern Rock Barnacle - Semibalanus balanoides

Common, intertidal barnacles that resemble volcanoes. They have a membranous base and the outer shell consists of white, overlapping, shell-like plates that grow with the animal.

Habitat: Covering rocks in the intertidal zone.

comments (6)

Ruth Spigelman

Lion

Another stunning visual, a wonderful abstract from the natural world. Posted 6 years ago
1. Christine Young
  
  Lion
  
  Thanks Ruth! The textures were awesome. Posted 6 years ago

Mark Ridgway

Lion

I only recently realised these are crustaceans. Amazing. Posted 6 years ago
1. Christine Young
  
  Lion
  
  They are fun to watch feeding when underwater:
  
  Posted 6 years ago

Flown Kimmerling

Lion

Beautiful, Christine! I'm in love with this shot! Posted 6 years ago
1. Christine Young
  
  Lion
  
  Thanks Lisa! Posted 6 years ago

The Northern Rock Barnacle

"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.

Info 19 1

Similar species: Symmetrical Sessile Barnacles

Species identified by Christine Young