A saltwater aquarium can be a dramatic addition to any room. Filled with exotic (and expensive) fish, it’s visually appealing and a great conversation piece. But it isn’t exactly easy to care for.

Watch the step-by-step process of building a compact saltwater aquarium, perfectly tailored for a new aquatic pet. From choosing the right tank and live rock to setting up filtration and salinity, ...

If you have been feeling sorry for that lonely gold fish swimming around in a glass bowl in your drawing room, and are planning to give it to a few friends and a larger tank, think again. Goldfish ...