A mule is an animal sired by a female horse and a male donkey. Although mules have a reputation for being stubborn, it is really a sign of their intelligence. Mules are cautious and can’t be forced into doing anything they don’t want to do. They will not allow themselves to be worked to death, […]
The Yellow-tailed Blue Damselfish is a hardy fish found in the Tropical Pacific. The males are 2.75 in., while the females are slightly smaller. As a result of their hardiness, some people unfortunately use them to cycle a new tank, but this is cruel to the fish. A more humane way to cycle your saltwater […]
