Embryo ecology: Developmental synchrony and asynchrony in the embryonic development of wild annual fish populations.

摘要: Embryo-environment interactions are of paramount importance during the development all organisms, and impacts this period can echo far into later stages ontogeny. African annual fish genus Nothobranchius live in temporary pools their eggs survive dry season bottom substrate by entering a facultative developmental arrest termed diapause. Uniquely among animals, embryos (encased eggs) may enter diapause at three different stages. Such system allows for potential to employ regulation mechanisms each We sampled multiple embryo banks across progressing season, species, populations. present important baseline field data examine role environmental embryonic unique system. describe course wild find it be very from typical under laboratory conditions. Development was synchronized within populations with I rainy II season. Asynchrony occurred transient phases habitat, process habitat desiccation, end Our findings reveal significance conditions serial character diapauses.