FisheriesConservation of Natural ResourcesFishesOceans and SeasEcosystemGadus morhuaPopulation DynamicsNorth SeaMarine BiologyFood ChainBiomassAtlantic OceanPerciformesAquacultureBiodiversityPacific OceanTunaIndian OceanMediterranean SeaCoral ReefsAnimal MigrationEcologyOceanographyFood SupplyGeographyPopulation DensityGadiformesAnimal DistributionShellfishSharksAquatic OrganismsRiversEuphausiaceaSaint LuciaPalinuridaeBaysShipsHistory, 17th CenturySeafoodPhocoenaBaltic StatesPredatory BehaviorSalmonSkates (Fish)