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Pectinatella magnifica, a water-dwelling blob, has long confounded scientists trying simply to categorize them. The brown-green snotty lumps are called bryozoans, and sometimes "moss animals," "dragon boogers," and "ectoprocta," which means, "anus outside," reports Popular Science. The blobs, which are actually whole colonies of tiny organisms, look most like polyps or coral, but they're probably more closely related to mollusks. And now, they've been unearthed in a biofiltration pond near Stanley Park's Lost Lagoon in Vancouver, reports the Vancouver Courier.
The discovery is notable because bryozoan clumps have typically been found only east of the Mississippi. Scientists are currently debating whether they are invasive and whether a warming climate is helping them spread, reports National Geographic. They filter nutrients from algae, so there's a chance they harmfully alter freshwater ecology—and they can clog pipes. On the flip side, their presence suggests good water quality, reports Gizmodo.