New sea slug species discovered


This 12 December 2018 video says about itself:

New nudibranch species discovered

Nudibranchs are marine slugs that come in a variety of whimsical colors. They are found throughout the world ocean from surface waters to the deep sea. However, only three species were known from the Northeast Pacific Ocean until scientists from Cal Poly Pomona, Western Australian Museum, Scripps Institution of Oceanography, and MBARI [Monterey Bay Aquarium Research Institute in the USA] recently described five new species from this region.

Four of these were observed during MBARI research expeditions off the California coast and in the Gulf of California, off Mexico’s Baja Peninsula. We used morphological characteristics and molecular tools to distinguish these animals from all previously described species of nudibranchs.

These new species Tritonia nigritigris*, Dendronotus claguei*, Ziminella vrijenhoeki*, Cuthona methana, and Aeolidia libitinaria* were given distinct names which honor MBARI scientists or describe their physical appearance or the habitat in which they were found.

As with many other deep-sea regions, we predict the number of new species from the Northeast Pacific to increase with further exploration. This area is particularly vulnerable to the effects of climate change emphasizing the urgency of documenting this fauna.

*Collected by MBARI remotely operated vehicles.

For more information see: Valdés, A., Lundsten, L., & Wilson, N.G. (2018) Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific. Zootaxa 4526 (4): 401–433

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