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State-of-the-art aquarium set-ups allow aquarium owners to display a wider variety of breathtaking tropical fish than ever before. Not only are tropical fish often more colorful and showy than their freshwater counterparts, their life spans can go up to 20 years or more!

Surgeons are named for the scalpel-like defensive spines that grow at the base of their tails. Their vibrant colors make them a popular aquarium choice. Surgeons prefer vegetable-based diets and require marine algae.

Basselets are colorful fish that can grow to six inches in length. They are available in red, orange, yellow and purple and are ideal for smaller tanks. Basselets are a little more challenging to maintain as they require live food.

Triggerfish, named for their ability to use their dorsal fins to prevent themselves from being pulled from a hiding place, have sharp, outward-facing teeth. They eat sea urchins and invertebrates in the wild but will accept most prepared fish foods.

Angels are coveted among aquarium lovers as they are among the loveliest and most unique. They are also among the most difficult to maintain. They are sensitive to minor changes in water quality and can be difficult to feed. If you get the hang of it, though, you'll be rewarded with your angel's beauty for 20 years or more.

Clownfish are the quintessential tropical aquarium fish and can be quite easy to maintain. Clownfish require a mix of vegetable and live food.