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
Metachrosis: the secret of rapid color change Metachrosis is a rapid color change in animals, involving chromatophores and light-reflecting cell structures. 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