Data from: Discovery and description of a remarkable bathypelagic nudibranch, Bathydevius caudactylus, gen. et. sp. nov.

We describe an exceptional nudibranch, new to science, from bathypelagic depths in the eastern North Pacific Ocean. More than 100 individuals of Bathydevius caudactylus gen. et. sp. nov. have been observed in the water column at depths between 1013 and 3272 m. Twenty spawning individuals were observed on the seafloor at depths between 2269 and 4009 m. Anatomy, diet, behavior, bioluminescence, and habitat distinguish this surprising nudibranch from all previously described species, and genetic evidence supports its placement in a new family.

Gene sequences obtained from PCR amplification and Sanger sequencing of 18S, COI, and 16S genes for pelagic molluscs, combined with data downloaded from GenBank to make a multiple-sequence alignment.

Funding provided by: David and Lucile Packard FoundationROR ID: https://ror.org/032atxq54Award Number:

Related Organizations

Monterey Bay Aquarium Research Institute
United States

Keywords

new species, nudibranch, Deep-sea, new genus, new family, bathypelagic, Bioluminescence

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