CarpsCyprinidaeKinetoplastidaCestodaProtozoan Infections, AnimalInterrenal GlandGillsCestode InfectionsFish ProteinsGoldfishParasitic Diseases, AnimalAquacultureAnimal FinsProtozoan InfectionsFusobacteriaPlatyhelminthsHerpesviridaeSulfhemoglobinLakesVitellogeninsSalmonidaeWater Pollutants, ChemicalAcclimatizationFishesPituitary GlandHerpesviridae InfectionsGram-Negative Bacterial InfectionsFresh WaterTemperatureMolecular Sequence DataPhylogenyAmino Acid SequenceSequence AlignmentIntestinesRadioimmunoassay