LampreysPetromyzonMarine BiologyAquatic OrganismsHagfishesFishesOceans and SeasMarine ToxinsPoriferaPhylogenyPhysiology, ComparativeSwimmingGeologic SedimentsWater MicrobiologyVertebratesEcosystemMolecular Sequence DataSpinal CordInvertebratesAtlantic OceanFisheriesReticular FormationPacific OceanLocomotionBiological EvolutionRNA, Ribosomal, 16SMediterranean SeaSequence Analysis, DNAPlanktonPyrrolidonecarboxylic AcidDiatomsChordata, NonvertebrateBiodiversityPhytoplanktonVibrioLarvaDNA, RibosomalSeaweedEukaryotaGammaproteobacteria