Pet Costume Party : A Pet Club Story, Paperback by Hooks, Gwendolyn; Byrne, Mike (ILT), ISBN 1434230538, ISBN-13 9781434230539, Brand New, Free shipping in the US

Andy is having a Halloween party for the Pet Club. All of his friends and their pets are going to dress up. However, Andy doesn't have a costume for his pet fish, Nibbles. What kind of costume will work for a fish?