A new species of Antarctic dragonfish, Akarotaxis gouldae or Banded Dragonfish, has been discovered in waters off the western Antarctic Peninsula. The species, named in honor of the recently decommissioned Antarctic research and supply vessel (ARSV) Laurence M.
A new species of Antarctic dragonfish, Akarotaxis gouldae or Banded Dragonfish, has been discovered in waters off the western Antarctic Peninsula. The species, named in honor of the recently decommissioned Antarctic research and supply vessel Laurence M. Gould and its crew, exemplifies both the unknown biodiversity and fragile state of the Antarctic ecosystem.
Genetic testing also revealed evolutionary clues. Using a process called time-calibrated phylogeny, Corso and coauthor Thomas Desvignes from the Institute of Neuroscience at the University of Oregon estimated thatdiverged as a separate species approximately 780,000 years ago. During this time, most of the Southern Ocean was covered in glaciers.
Dragonfishes are important prey items for many species, including Antarctica's iconic penguins, whose populations have declined dramatically in recent decades. A 2022 study by Corso linked warming waters and reduced ice in the Southern Ocean to declines in Antarctic silverfish populations.appear to have one of the smallest ranges of any fish endemic to the Southern Ocean," said Corso.
"Since we know so little about the biodiversity of this area, we feel caution should be taken in extracting resources until we have a better understanding of the impact to the greater ecosystem," said Corso.was also named in honor of the famous geologist, the researchers rather decided to honor the vessel for the significant scientific contributions of it and its crew.supported the U.S.
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