What is another word for barnacle-backs?
Pronunciation: [bˈɑːnəkə͡lbˈaks] (IPA) 
Barnacle-backs are marine creatures that cling to rocks, ships' hulls, and other surfaces. Synonyms for barnacle-backs include acorn barnacles, goose barnacles, and stalked barnacles. Acorn barnacles have a conical shell made up of overlapping plates and are commonly found on boats and docks. Goose barnacles have long, fleshy stalks and are found affixed to drifting objects in the ocean. Stalked barnacles have a similar appearance to acorn barnacles but are attached to a stalk on rocks or other surfaces. While these creatures may look unappealing, they are a vital part of coastal ecosystems, providing food and shelter for other marine life.
