Botrylloides violaceus is a colonial tunicate of the genus Botrylloides. Its native range is in the Northwest Pacific from Southern China to Japan and Siberia. Colonies attach and grow on solid surfaces and substrates, and consist of individuals arranged in twisting rows. Zooids in irregular pattern (urban sprawl). Outside its native range, it is considered an invasive ...more ↓
Botryllus schlosseri, commonly known as the star ascidian or golden star tunicate, is a colonial ascidian tunicate that grows on slow-moving, submerged objects, plants, and animals in nearshore saltwater environments. Zooids in consistent circular patterm (flower).