The unusual find was spotted last week on a stretch of coastline between Pagham and Aldwick. Photographs shared on a popular local Facebook group revealed what experts have since confirmed are rare goose barnacles , also known as gooseneck barnacles . Hundreds of bizarre-looking creatures have washed up on a Sussex beach , delighting wildlife enthusiasts and sparking fascination online. Goose barnacles are a type of crustacean closely related to crabs and lobstersOne local who shared the snaps said: “Goose barnacles, yes. Washed up on the beach near Pagham after strong winds and waves, they’re alive.”Goose barnacles are a type of crustacean closely related to crabs and lobsters.