Princess Neptuna

Princess Neptuna is a royal fish who appears in and is the focal point of the books SpongeBob and the Princess and Buried Treasure!: Tales from Bikini Bottom.

Description
She is a light orange fish who wears a pink dress and a golden crown, accompanied by a fancy, purple snail, on a diamond leash.

Role in book
She signs a picture for and gives a nice comment on 's appearance.