The Lemon Doriopsilla (Doriopsilla carneola) is a temperate water opisthobranch species that belongs to the nudibranch family Dendrodorididae. This species is known to occur in the waters of southern Australia and can be found from central New South Wales around the south to the waters of southern Western Australia. This species is predominantly yellow in colour and often has a few white patches on the upper surface. White patches are not always present. The species can range in colour from yellow to deep red and it may occasionally be translucent white. The mantle of this species is relatively firm and it is covered in microscopic tubercules. This species is generally found in coastal estuaries and protected waters living in sponge garden habitats.
The Lemon Doriopsilla (Doriopsilla carneola) grows to a maximum length of approximately 7cm.