 The Sillaginidae are also host to a variety of well studied internal and external parasites, which are represented prominently by the groups Digenea, Monogenea and Myxosporea, Copepoda and Nematoda.The Sillaginidae are an oviparous, non guarding family, whose species tend to show similar reproductive patterns to one another.Each species reaches sexual maturity at a slightly different age, with each sex often showing a disparity in time of maturation.