BARNACLE   | 
  
BALANUS PERFORATUS   | 
  
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| Fig 1 | 
DESCRIPTION:  Reaching up to 3cm in diameter and 3cm in  height this uncommon barnacle is best recognised by its purplish hues and the 6  vertically ridged plates that sometimes separate at the apex and leave a jagged  lip.  The inner tissue is  marked with bright shades of pink, purple and blue. DISTRIBUTION:  A southern species seen primarily in Devon and Cornwall but has also spread more  eastwards.  It is so far absent  from Ireland and Scotland. HABITAT:   Mid-shore  areas to sub-littoral zones.  On rocks and  artificial structures such as ship’s hills and is sometimes common in wave  exposed situations.  
            TIME TO SEE:  All year round.   |