Fish joke for Monday-itis: What do you call an underweight flatfish? Posted on 2016/04/252016/03/28 by TheFishVet - Richmond's School of Fish Q: What do you call an underweight flatfish? Answer: Flatso! Have a FINtastic week! R <+>{ Share this:FacebookTwitterLinkedInEmailPrintLike this:Like Loading... Published by TheFishVet - Richmond's School of Fish Veterinary medicine and pathology services for fish and other aquatic animals. A repository for useful information and events. View all posts by TheFishVet - Richmond's School of Fish