Thebookintroducesfishdistanthybridization,whichcoversthebasictheoryandapplicationsoffishdistanthybridizationaswellasthemainbiologicalcharacteristicsofdifferentploidyfishattheindividual,tissue,cell,andmolecularlevel.《BR》Itisdividedinto12Chapters.Theresearchprogressesofanimaldistanthybridizationandpolyploidsindomesticandoverseasaresummarizedinthisbook.Thecharacteristicsofthesehybridsandpolyploidfisharealsoillustratedonbasisofconsideringfactorsofthechromosomesnumbers,phylogeneticrelationship,reproduction,appearance,feedinghabits,growthrate,andstressresistance.《BR》Thecreationoffishdistanthybridizationlineageswillprovideacleargeneticbackgroundwhichishelpfixlforthestudyofthestraingenerationasamodelingeneticvariationcharacteristicsandreproductivecharacteristics.Fullyillustratedincolor,thisbookprovidesuniqueideasinsystemdescriptionandpresentationofdistanthybridizationandpolyploidyfish.Infishgeneticbreeding,thetetraploidfishlineageanddiploidfishlineage,formedthroughdistanthybridization,canbeusedforpreparinglarge-scaletriploidanddiploidfish.