Barnacle Barnacle A barnacle is a type of arthropod constituting the infraclass Cirripedia in the subphylum Crustacea, and is hence related to crabs and lobsters. Barnacles are exclusively marine, and tend to live in shallow and tidal waters, typically in erosive settings. They are sessile (nonmotile) suspension feeders, and have two nektonic (active swimming) larval stages. Around 1,220 barnacle species are currently known. The name "Cirripedia" is Latin, meaning "curl-footed". The study of barnacles is called cirripedology. Barnacles are encrusters, attaching themselves permanently to a hard substrate. The most common, "acorn barnacles" (Sessilia), are sessile, growing their shells directly onto the
Barnacle Bill (song) Barnacle Bill (song) "Barnacle Bill the Sailor" (Roud 4704) is an American drinking song adapted from "Bollocky Bill the Sailor", a traditional folk song originally titled "Abraham Brown". There are several versions of the bawdy song in the Gordon "Inferno" Collection at the Library of Congress folklife archive. The first printed version of the song is in the public domain book "Immortalia" (1927). Later versions feature the eponymous "Barnacle Bill", a fictional character loosely based on a 19th-century San Francisco sailor and Gold Rush miner named William Bernard. Versions are also known in England and Scotland from the early twentieth