Early embryology of the fathead minnowPimephales promelasrafinesque

摘要

AbstractThe fathead minnow,Pimephales promelas(Rafinesque), has been laboratory bred and the early embryos staged and described. At 23°C the embryo requires 33 hours to reach the 13‐somite stage. This period of early embryonic development has been divided into 12 stages. The description of each of these stages is accompanied by photograp