Cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is a. commensal b. mutualistic c. parasitic. this association indicates that a. the strimp and fish benefit each other. b. the shrimp harm the fish. c. the fish dont benefit from the shrimp.