DFO Maritimes on Twitter: "There are two unique types of tunicate, colonial and solitary. Colony tunicates like Golden Star tunicate form gelatinous mats that can cover almost anything underwater. Solitary tunicates like
Sea Vase (Ciona intestinalis) | Gulf Of Maine, Inc.
DFO warns of aquatic species invading Halifax, Lunenburg waters - Halifax | Globalnews.ca