Didemnum is a genus of colonial tunicates in the family Didemnidae. It is the most speciose genus in the didemnid family. Species in this genus often have small calcareous spicules embedded in the tunic and form irregular or lobed colonies.
Didemnum is a genus of colonial tunicates in the family Didemnidae, characterized by its remarkable variety. Species in this genus often exhibit tiny calcium carbonate spicules within their tunic and develop irregular or lobed colony formations.