Panther chameleon reproduction Female panther chameleons lay their eggs 4–6 weeks after mating, and the eggs develop over several months. Read more
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
Siamese fighting fish: colours, rivalry and remarkable adaptations The spectacular colours and fin shapes of domestic Siamese fighting fish are the result of generations of selective breeding. Read more