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
Whip scorpions: Small arachnids with great diversity Whip scorpions are mostly found in tropical habitats, although some species have also adapted to drier regions. Read more
The green iguana’s mysterious third eye The green iguana’s third eye detects changes in light and movement, helping it notice predators from above. Read more