Gooseneck barnacles
Shellfish Gooseneck barnacles are kind of scary to look at — their alien-like appearance conjures up images from the sci-fi realms of "Star Trek" or "Doctor Who." They're weird, but their oddity and scarcity make them a luxurious delicacy. Gooseneck barnacles, otherwise known as percebes, may look like their cousins that attach to docks, but taste much better. According to Atlas Obscura, gooseneck barnacles got their name centuries ago when medieval naturalists stumbled upon these claw-like sea creatures and thought they were goose eggs. They witnessed the crustaceans fall into the water and believed baby geese emerged fully formed from the dislodged barnacles. According to CNN, this seafood is among the most expensive in the world and can go for as much as $125 a pound. Toronto Life reports that in Europe, a kilogram of gooseneck barnacles could yield $500. Their price is related to a limited supply and the risk a fisherman must face to obtain this delica