Honeycomb worm (Sabellaria alveolata) reefs. This species of polychaete worm lives in colonies within a reef structure that they build using sand and shells. County Clare, Ireland.

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Apologies to Trypophobes out there.

A close up of the burrows constructed by Honeycomb worms (Sabellaria alveolata) - each grain of sand, in what can be extensive reef structures, is carefully placed. County Clare, Ireland.

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Honeycomb worm (Sabellaria alveolata) reefs. This species of polychaete worms build these beautiful structures out of sand. The mass of sand tubes act as a protective home that they can retreat into when threatened or when the tide goes out. Re-emerging to feed once the sea returns. County Clare, Ireland.

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#wildatlanticway #walkingtour #discoverireland #keepdiscovering #shorefinds #lowtidetreasures #marinelife #biodiversity #honeycombworm #irelandtravel #Ireland