Scientists from the Scripps Institution of Oceanography at UC San Diego have discovered a new Antarctic feather star species with 20 arms and a strawberry-shaped body. Unlike other invertebrate ocean animals, feather stars stand out for their ‘large’ size and alien-like appearance’ when swimming.
This species was observed to vary in color from purplish to dark-reddish, and believed to reside somewhere between 65m (213 ft) and 1,170m (3,839 ft) underwater. It is officially classified as ‘Promachocrinus fragarius’ and found during a series of expeditions to the Antarctic Ocean between 2008 – 2017 in hopes of determining if the Antarctic feather star is actually a cryptic species.
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We also elucidated previously unappreciated features, particularly body pigmentation and morphology of the centrodorsal ossicle in an attempt to diagnose some species morphologically and based on DNA data,” said the team.
