Sea squirts or tunicates, Pycnoclavella detorta, whose common name refers to a body covering of cellulose called a tunic, are complicated animals with

- Image ID: 2EHAJ7P

Sea squirts or tunicates, Pycnoclavella detorta, whose common name refers to a body covering of cellulose called a tunic, are complicated animals with

David Fleetham / Alamy Stock Photo

Image ID: 2EHAJ7P