As the video shows, the colorful orb was sucked into the vessel. Shortly thereafter, Nautilus Live shared via social media that the find was collected from the Arguello Canyon near the NOAA Channel Islands National Marine Sanctuary.
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"After sampling," the statement reads, "it began to unfold to reveal two distinct lobes. This may be a new species of nudibranch, or sea slug."
Several hours later, this update was posted: "We're still working on a species ID with our science partners, but currently we're thinking the purple orb is a pleurobranch, a nudibranch relative."
Pleurobranchs are a type of sea slug that have a prominent outer covering called a mantle and an internal shell that reduces, or is entirely lost, in adults. Pleurobranchs often visually stand out from the substrate.
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As researchers further analyze the still mysterious orb, Nautilus has continued its exploration of waters off the southern California coast. A short while ago, the scientists posted the following image saying: "From mysterious purple orbs to this crinoid on a column of whelk snail eggs, we never know what we'll find on the deep sea floor!"