Bathydevius caudactylus is only the third known instance of bioluminescence evolving in nudibranchs and the seventh known instance among gastropods.
Notes on verification
Directly confirmed by the peer-reviewed primary source (Robison & Haddock 2024), with verbatim corroboration across multiple science news outlets, though all trace back to the same original study.
Sources
- Remarkable new swimming sea slug in the deep sea | ScienceDaily (sciencedaily.com)
- https://www.mbari.org/news/mbari-researchers-discover-remarkable-new-swimming-sea-slug-in-the-deep-sea/ (mbari.org)
- https://www.sci.news/biology/bathydevius-caudactylus-13421.html (sci.news)
- https://www.sciencedirect.com/science/article/pii/S0967063724001845 (sciencedirect.com)
- https://www.iflscience.com/mystery-mollusk-unmasked-as-first-known-nudibranch-to-live-in-the-midnight-zone-76743 (iflscience.com)