Strange sea creature filmed off Florida

OK, it's not a sea serpent. It's only two or three meters long. But that's very big for an invertebrate, and this grayish wormlike creature remains unidentified. Veteran videographer Jay Garbose, who has worked for Discovery Channel and National Geographic, shot the puzzling tape off the town of Juno Beach, Florida. He sent it to the Smithsonian, whose experts have not been able to pin a label on the beast.
Just one more reminder the sea holds more for us to discover...