GillsVertebratesZebrafishFishesMolecular Sequence DataTilapiaChordata, NonvertebrateAmino Acid SequenceGene Expression Regulation, DevelopmentalFish DiseasesEvolution, MolecularZebrafish ProteinsEmbryo, NonmammalianOncorhynchus mykissBivalviaFish ProteinsLampreysHagfishesBiological EvolutionBody PatterningBase SequenceBrachyuraSequence Homology, Amino AcidInvertebratesSharksSequence AlignmentIn Situ HybridizationReptilesSpecies SpecificityFresh WaterTroutSalmo salarProtozoan Infections, AnimalChordataFundulidaeOryziasSeawaterTakifuguPetromyzonTetraodontiformesXenopus ProteinsConserved SequenceAnguillaAcclimatizationCloning, MolecularHomeodomain ProteinsWater-Electrolyte BalanceAmphibiansSkates (Fish)CarpsChickensXenopusCiona intestinalisGene DuplicationDogfishAnimals, Genetically ModifiedUrochordataLoboseaAquacultureGenomeSalmonidaeDNA, ComplementaryLarvaMolluscaXenopus laevisTranscription FactorsMammalsCyprinidaeChick EmbryoBranchial RegionGenes, HomeoboxDrosophila Proteins