This page summarizes the significance of zebrafish (Danio rerio) as a model organism in biological research due to its rapid breeding, transparent embryos, and application in both forward and reverse ...This page summarizes the significance of zebrafish (Danio rerio) as a model organism in biological research due to its rapid breeding, transparent embryos, and application in both forward and reverse genetics. These characteristics facilitate the study of gene functions and associated phenotypes, offering insights into human biology owing to genetic similarities. Additionally, the sequenced zebrafish genome has identified numerous protein-coding genes, enhancing its utility in research.