In 2009, whereas crammed inside a submersible touring 3,200 toes beneath the floor off the coast of Costa Rica, researchers noticed one thing uncommon drift into view.
A pair of snake-light creatures immediately appeared, illuminated by the submersible lights.
But, earlier than the researchers may transfer in nearer for a greater look, the serpentine deep sea-dwellers swam away.
“We spooked them,” Bruce Strickrott, the pilot, stated.
But, practically a decade later, in 2018, the researchers returned within the submersible — which is owned by the U.S. Navy —intent on capturing the peculiar creatures.
Their voyage led them to establish the creatures as members of a model new species of deep-sea worm, in line with a examine revealed on March 6 within the journal PLOS One and an accompanying press launch from the University of California San Diego.
For whatever reason, the worms were far less skittish on the most recent voyage, and researchers were able to view them up close in all their glory.
“The way this thing moved was so graceful, I thought it looked like a living magic carpet,” Strickrott said in the release.
Using a vacuum device referred to as a “slurp gun,” researchers collected several specimens, which were later analyzed in a lab.
Measuring around 4 inches long, the specimens, which are reddish in color, appeared like a combination of an earthworm and a centipede.
They were distinguished by feathery appendages known as parapodia and “pincer-shaped jaws,” which can be forced outward for feeding, researchers said.
Additionally, because they dwell in the pitch black waters near the sea floor, the worms are blind — though they have likely developed keen senses of touch and smell.
Named Pectinereis strickrotti, the worms are members of the Nereididae family, a group of ragworms.
Much about them still remains unknown, including their reproductive habits and diet, though they may feed on bacteria.
“We’ve spent years making an attempt to call and describe the biodiversity of the deep sea,” Greg Rouse, one of many examine authors, stated within the launch.
“At this point we have found more new species than we have time to name and describe,” he added. “It just shows how much undiscovered biodiversity is out there. We need to keep exploring the deep sea and to protect it.”
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