Temperature-dependentsexdeterminationhasbeendemonstratedinsomespeciesoffishandtemperatureduringtheperiodofsexdifferentiationtypicallyproducesmale-dominantpopulation.ThisresearchinvestigatedthegonadalsexdifferentiationandeffectofrearingtemperatureonthesexratioinlarvalAmursturgeonIn1.5dayspost-hatch,aPGCisvisiblealongthedorsalepitheliumofthebodycavity,betweenthemesenteryandthekidney.Later,inprimordialgermcells(PGC)-PGCsalongthemesentericmigratetobelowthekidneyareaandcellstogethertoformthe60dph,theoriginalgonadaldevelopment,groupsofsmallcellsfromkidneyareamigratetooriginalgonad,-erminalepithelium,fatcellsandbloodvesselsincrease.Putativeovarieswithnotchesinthegerminalepitheliumandpresumedtesteswithsmoothgerminalepitheliumappearedin180Ovarieswithproliferatingoogoniaandearlymeioticoocytesclusterswereobservedin2Inatemperaturecontrolledexperiment,theproportionsoffemaleswere3.3%℃46.7.Theseresultssuggestthatmorphologicalsexdifferentiationin,andnot,butitcanhelptopromotegonadaldevelopmentof