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
Spider shedding: Their most vulnerable moment Spider shedding is one of the most important processes in growth. Because spiders have an external skeleton, they must shed their old exoskeleton from time to time in order to grow larger. After shedding, the new exoskeleton is still soft and vulnerable. During this period, the spider is especially sensitive to disturbance and needs a calm, Read more
Angelfish social behavior In the wild, angelfish often move in small groups, which may help them stay safer and detect danger more easily. Read more