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
Batesian mimicry Batesian mimicry occurs when a harmless species imitates a dangerous animal to deter predators. Read more
Boa c. imperator size: How big can it grow? Boa constrictor imperator usually grows to around 2 meters in length, with a weight ranging between 6–14 kg. Read more
