Nudibranchia (Nudibranchs) is an order of Gastropoda. There are 2544 species of Nudibranchs, in 281 genera and 69 families. They have sexual reproduction.
Definition: Capable of creating a new organism by combining the genetic material of two gametes, which may come from two parent organisms or from a single organism, in the case of self-fertilizing hermaphrodites.
