What is a Barnacle?
Barnacles are arthropods in the sub-phylum crustacea, related to crabs and shrimp. As filter feeders, barnacles use specialised appendages called cirri to gain food from their environment, and as such are most commonly found in areas of high water movement. Their soft bodies are protected by tough, armoured plates and anchored tight to the substrate using a powerful glue-like secretion. Further plates form a “door”, or operculum, which the barnacle can open and close to prevent desiccation (drying out).
Additional ID features- Hawkins and Jones 1992 ; Hayward and Ryland 1995: Illustrations by Laura Coles
To view Mike’s talk in full:
including commonly mistaken species, barnacle anatomy, field ID tips, and much more, check it out on our youtube channel:
- To explore more of Mike’s work, head over to the Facebook pages: “Mike’s Marine Magic” and “The Shores of South Devon”
- To find out more about all things barnacle visit: https://www.glaucus.org.uk/Barnacles.html