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Amphibians in Sumatra have recorded 110 species but there is still observation of the development embryos frog species, especially M. heymonsi. It is necessary to know the comparison of the M. Stages of Embryo Development compared to the X.laevis (Daudin) standard from Nieuwkoop and Faber (1994). This study uses M.heymonsi egg and tedpole samples taken directly from its natural habitat in the University of Bengkulu area. Sampels were collected using the Visual Encounter Survey (VES) method, which is directly on the terrestrial and aquatic pathways (Heyer et al. 1994). Observation of the stage of embryo development carried out for 17 days was observed every 2 hours starting at 08.00-16.00. The data shows the stages of the development of M. heymonsi embryos compared to the X.laevis (Daudin) standard in stages 1 to 47 have similarities. Changes include size and morphological conditions.