Bathydevius caudactylus is only the third known instance of bioluminescence evolving in nudibranchs and the seventh known instance among gastropods.
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- https://www.sci.news/biology/bathydevius-caudactylus-13421.html (sci.news)
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- https://www.iflscience.com/mystery-mollusk-unmasked-as-first-known-nudibranch-to-live-in-the-midnight-zone-76743 (iflscience.com)
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