Axolotl neoteny: The secret of the forever young amphibian The axolotl becomes sexually mature while keeping larval features such as external gills and an aquatic lifestyle. Read more
Angelfish social behavior In the wild, angelfish often move in small groups, which may help them stay safer and detect danger more easily. Read more
Aldabra giant tortoise: Huge body, strong shell The Aldabra giant tortoise is a massive land tortoise with a strong, domed shell that helps support its body. Read more
