Pyrosomes, Mysterious Visitors Of The DeepNov. 6, 2017 8:57 p.m.A sea creature normally found in the tropics has suddenly exploded in the ocean off the Oregon coast. Scientists are baffled by this massive bloom of pickle-shaped pyrosomes that are clogging the nets of researchers and fishermen.THANKS TO OUR SPONSOR:Become a SponsorTHANKS TO OUR SPONSOR:Become a SponsorOPB’s First Look newsletterSign up to get important news and culture from around the Northwest, delivered to your inbox six days a week.EmailPlease leave this field blankSign Up