Pyrosome PyrosomeJune, 18th 2022 Our guest Frans didn’t get a plastic bag, but a Pyrosome in front of his lens. A colony of millimeter-sized animals belonging to the genus Thaliacea and the class Tunicata. Photo Credit (Pyrosome) : Frans Rattu Pyrosomeadmin2022-12-17T17:49:31+00:00