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Home / Nature - Animals / Sea and Shore Life / Barnacles (Chthamalus montagui) and (C. stellatus)
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Barnacles (Chthamalus montagui) and (C. stellatus)


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The great majority of these barancles are Chthamalus montagui (kite shape aperture). Some are C. stellatus (oval aperture). One dead barnacle at the centre may be Semibalanus balanoides with a diamond aperture. The picture was taken on a shore exposed to strong waves, as this is where Chthamalus spp. live on rocks or other hard surfaces and, when covered by the tide, feed by sieving seawater for zooplankton.

18th Aug 2008

Biology, Science

Key Stages:
Foundation, Key Stage 1, Key Stage 2, Key Stage 3, Key Stage 4, Key Stage 4+

Acorn Barnacle Semibalanus balanoides zooplankton Chthamalus montagui Chthamalus stellatus

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