Are scavenger fish healthy to eat?

Why do fantail fish chase and nip each other? What are the similarities between a gummy shark and a sandbar shark and nurse shark? Are bull sharks exinct? How many quarts of water needed to replace an 5 gallon fish tank? How do you breed a molly and can different types of mollys mate? What does the hermit crab share symbiosis with? Can wild fish eat fish food without getting sick? What social behavior is displayed by Betta fish? How many Greenland sharks are there? Are mermaids pretty? Can you keep an inground pool clear and blue without a running filter mine is broken? How much does dogfish weigh? Is there medicine for an injured mystery snail? In what ocean does the angelfish live? Can an opaline gourami breed with a gold gourami? Why save dolphins over sharks? 5 fish in a fish boll 1 fish drouns how many fishb are left? Where are pictures of male and female platys? What does a fully labeled diagram of fish body look like? How many fish can a 90 liter aquarium hold?