![](https://www.frostscience.org/wp-content/uploads/2018/11/LarvalModelsFunFacts.jpg)
The zebrafish (Danio rerio) is a popular model organism in developmental biology as it grows from a fertilized egg to a sexually mature animal within a period of three months.
The zebrafish (Danio rerio) is a popular model organism in developmental biology as it grows from a fertilized egg to a sexually mature animal within a period of three months.