If you're considering setting up a coral reef tank, one of the most important decisions you'll make is choosing the right fish. Not all fish are suitable for a coral reef environment, as they may harm the corals or disturb the delicate balance of the ecosystem. Here are some of the best fish to put in a coral reef tank:

Clownfish

Clownfish are one of the most popular fish for a coral reef tank. They are hardy, colorful, and easy to care for. They also form symbiotic relationships with certain species of anemones, which adds to the natural beauty of the tank. There are several different types of clownfish, including the popular orange and white "Nemo" clownfish.

Royal Gramma

The Royal Gramma is a beautiful, colorful fish that is well-suited to a coral reef tank. They are peaceful, and can coexist with other fish and invertebrates. Their bright purple and yellow coloring adds a pop of color to the tank, and they are easy to care for.

Goby

Gobies are a diverse group of fish that are well-suited to a coral reef environment. They are peaceful, and many species form symbiotic relationships with invertebrates like shrimp and crabs. Gobies come in a range of colors and patterns, from the colorful clown goby to the more subtle neon goby.

Tang

Tangs are a larger, more active fish that can add a lot of personality to your tank. They are known for their bright colors and distinctive shape, and can be a focal point of the tank. Some species of tang, like the yellow tang, are particularly well-suited to a coral reef environment.

Firefish

Firefish are a great addition to a coral reef tank, thanks to their vibrant colors and active personalities. They are small, peaceful, and easy to care for, and will add a lively energy to your tank. They are also known for their ability to jump, so be sure to have a secure lid on your tank.

When selecting fish for your coral reef tank, it's important to consider factors like the size of your tank, the compatibility of different species, and the specific needs of each type of fish. With the right care and attention, you can create a thriving and beautiful coral reef environment that will provide a home for a variety of fascinating and colorful fish.