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
Eight thousand ways to be a lizard: Celebrating World Lizard Day! More than 8,000 lizard species reveal just how many different ways there are to be a lizard – from tiny geckos to giant monitor lizards. Read more
The master of regeneration Mexican axolotl regeneration allows this unique amphibian to regrow lost body parts and repair certain damaged tissues. Read more
