pennatulidae
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pennatulidae |
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| navigate by keyword : anemone anemones animal anthozoa aquatic blue bottom cnidaria colorful colourful coral encrinus feather fleshy floating fluorescent hydroids invertebrate life little luminesce luminescence luminescent macro marine movement ocean octocorallia pen pennatula pennatulacea pennatulidae phosphorea salt saltwater sandy sea seapen soft softcoral subsessiliflorae tube umbellula underwater water worm |
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| The Common Sea Pen can grow to a height of 25 cm. With its deep red color it is easily distinguished from other sea pens. There is a highly developed muscle and neural system in the stem, making the colony capable to walk along the bottom in search for better conditions. Can luminesce in darkness when disturbed. |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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