Aquatic OrganismsWater Pollutants, ChemicalWater PollutantsDaphniaAmberEcotoxicologyFishesAquacultureFresh WaterGillsFish DiseasesVibrioEcosystemEnvironmental MonitoringSeawaterWater MicrobiologyRiversPhylogenyLakesBacteriaMolecular Sequence DataPondsBirnaviridaeHydrocharitaceaeSpecies SpecificitySequence Analysis, DNAFood ChainWetlandsInvertebratesCetaceaLarvaHydrobiologyWater MovementsBiological EvolutionDNA, BacterialEukaryotaEcologyRNA, Ribosomal, 16SEutrophicationSireniaPipidaePotamogetonaceaeWater PollutionBiodiversityGeologic SedimentsEichhorniaPredatory BehaviorWaterCrustaceaZooplanktonAmphipodaSwimmingAraceae