Body Temperature RegulationTunaBody TemperatureGillsAtlantic OceanTemperatureMediterranean SeaSkin TemperatureFisheriesSweatingHypothermiaCold TemperaturePyrogensMaineFeverHypothalamusPacific OceanHot TemperatureHypothalamus, AnteriorAnimal MigrationDivingNight VisionPerciformesGulf of MexicoSwimmingSpatial AnalysisCircadian RhythmPopulation DynamicsEcosystem