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By-the-wind Sailor (Velella velella) is a rafting pelagic marine organism with a triangular sail. Always floating/sailing on the sea surface. The deep blue colour of Velella is due to peculiar pigments (astaxantine) that defend the colony from the sun light. Velella is not a single animal, but it is colony. Sargasso Sea, Bermuda | Segelqualle (Velella velella)

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20140508_221811-3-B.jpg
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Solvin Zankl
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Invertebrates - marine | Wirbellose im Meer lebend
By-the-wind Sailor (Velella velella) is a rafting pelagic marine organism with a triangular sail. Always floating/sailing on the sea surface. The deep blue colour of Velella is due to peculiar pigments (astaxantine) that defend the colony from the sun light. Velella is not a single animal, but it is colony. Sargasso Sea, Bermuda | Segelqualle (Velella velella)