What causes green flesh in fish? Posted on 2014/05/172014/05/18 by TheFishVet - Richmond's School of Fish Share this:FacebookTwitterLinkedInEmailPrintLike Loading... Published by TheFishVet - Richmond's School of Fish Aquatic veterinary medicine, pathology and educational services for fish. A repository for useful information and events. View all posts by TheFishVet - Richmond's School of Fish