AI Article Synopsis
- A new gastropod species, Rubyspira brasiliensis sp. nov., was discovered on a whale carcass at 4204 meters deep in the Southwest Atlantic.
- The species was analyzed morphologically and through molecular phylogenetics, revealing it is more closely related to a Californian species than the other known species in its genus.
- This discovery marks the deepest known instance of whale-fall ecosystems, which consist of organisms living off the remains of dead whales.
Article Abstract
An unfamiliar gastropod was collected from a deep-sea whale carcass at the base of the São Paulo Ridge in the Southwest Atlantic by the manned research submersible Shinkai 6500, and is here described as a new species of the abyssochrysoidean genus Rubyspira, R. brasiliensis sp. nov., following morphological and molecular phylogenetic examinations. There are only two other known species in the genus, which occur together in the Monterey Submarine Canyon off California. The present new species was shown by the molecular analysis to be closer to one of the Californian species than the other. It was found aggregated on and around a whale carcass at a depth of 4204 m, which represents the deepest record of whale- fall ecosystems ever discovered.
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| http://dx.doi.org/10.11646/zootaxa.4568.2.9 | DOI Listing |
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