The types of aquarium fish for experts are entirely different from the types that are suitable for beginners. For example, a Moorish Idol is a kind of saltwater fish that is hard to grow, so only aquarists with years of experience in maintaining saltwater aquariums are perfect as owners of such type of fish.
Fishes for Beginners
Tropical fishes for budding aquarists should be easy to feed and maintain. It is important that the fishes are hardy and can live in different water conditions and temperature. Small fishes that form their own schools are a good starter for beginners. For medium-sized fishes like Corys, you must put at least four of them in one aquarium. As for very small varieties like Rainbowfish, you can group together at least six of them in one tank. White Clouds, rasboras, and danios are some examples of active, colorful and hardy fishes for beginners.
Fishes for Experts
Experts can care for any type of tropical fish. However, many skilled aquarists want fishes that will give them the challenge. Exotic fishes are what many experts try to grow and breed. Arowanas (also known as dragonfish), Tangs, and Puffers are some of the most challenging freshwater fishes to keep.







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