The reproduction is one of the life The reproduction is one of the lifes yerly cycle phaze of any animal, on which depends s yerly cycle phaze of any animal, on which depends into all the initial effective of populations. For Triturus cristatus the reproductive process is counected with individuals passage from land to water medium. In this paper is analized which are the factors which determine the different reproductiv migrations rithm of male and female, which is the phenology of the main reproduction phaz – reproductive migrations, achievement of nuptial games, spawn fertilization etc. An important role in reproductive process have so morphological peculiarities of whose who reproduct as nuptial colours and secondary sexual natures about reproductive success of notched Tritonus population from Republic of Moldovas Central Codri.