Tag - Birth

Fish Can Choose Their Own Birth Timing—Here’s How

A zebrafish embryo. (Dr. Deodatta Gajbhiye)Fish embryos in many species can control their hatching timing, effectively selecting their own birthdays. A study from Hebrew University of Jerusalem has uncovered the chemical and biological processes enabling this precise control, showing how embryos align their hatching with optimal environmental conditions.Researchers focused on zebrafish (Danio rerio) and discovered...