HydrodynamicsRiversSwimmingWater MovementsRheologyBiomechanical PhenomenaPhysical PhenomenaPhysicsAnguillaViscosityTailSharksVideo RecordingAccelerationPerciformesRoss River virusModels, BiologicalWaterFrictionCerebrospinal Fluid PressureRutheniumEscape ReactionLocomotionModels, TheoreticalLarvaBiophysicsBiophysical PhenomenaIntracranial PressureComputer SimulationPressureDiffusionFresh WaterModels, ChemicalWater Pollutants, ChemicalWater PollutionAlgorithmsEnvironmental MonitoringFishesWater MicrobiologySeasonsWater QualityBrazilGeologic Sediments