HydrodynamicsSwimmingWater MovementsRheologyBiomechanical PhenomenaPhysical PhenomenaPhysicsAnguillaViscosityTailSharksVideo RecordingAccelerationPerciformesModels, BiologicalFrictionCerebrospinal Fluid PressureRutheniumWaterEscape ReactionLocomotionBiophysicsModels, TheoreticalRiversBiophysical PhenomenaLarvaIntracranial PressureComputer SimulationPressureDiffusionModels, ChemicalAlgorithms