Fish for a 5 Gallon Tank

Starting an aquarium can be an exciting and rewarding experience, but it can also be overwhelming for beginners. Knowing what types of fish to choose and how to properly maintain them for optimal health is key. In this blog, we’ll explore the best aquarium fish for beginners, including what types are suitable for a 5-gallon tank and a 10-gallon tank, as well as considerations for choosing the right fish and maintenance requirements for different species. With the right information, anyone can create a thriving aquarium that is enjoyable to maintain and beautiful to behold.

Types of Fish Suitable for a 5 Gallon Tank

When deciding on what type of fish to put in a 5 gallon fish tank, it is important to choose species that do not require too much space or too much filtration. Generally, it is recommended that only one fish be kept in a 5 gallon tank. Good choices for a 5 gallon tank include bettas, guppies, danios, and small tetras. It is important to avoid larger fish or those that require a lot of swimming space. While 10 gallon tanks can provide enough space for more than one fish, it is still important to select species that are not too large or that require a lot of filtration. Good choices for a 10 gallon tank include small schooling fish, such as tetras, rasboras, and barbs. It is important to research the specific species to ensure that they are appropriate for the size of the tank.

Types of Fish Suitable for a 10 Gallon Tank

When deciding which types of fish to keep in a 10 gallon tank, it is important to consider the size, temperament, and diet of the fish. Some of the most commonly kept fish in 10 gallon tanks include guppies, platies, swordtails, mollies, tetras, and danios. These fish are all relatively small, peaceful, and omnivorous, making them ideal for a 10 gallon tank. It is also important to remember that the stocking density of a tank should not exceed one inch of fish per gallon of water, so it is important to plan ahead and ensure the tank won’t become overcrowded. When selecting the best fish for a 10 gallon tank, research is key to ensure that the tank is properly stocked, and the fish are compatible with each other.

Considerations for Beginners When Choosing Fish

When it comes to selecting fish for your aquarium, there are many considerations to keep in mind. If you’re a beginner, there are even more factors to consider. Depending on the size of your tank, there are certain types of fish that may be better suited for you. For example, a 5-gallon tank is ideal for one or two small tropical fish, such as guppies, tetras, or mollies. If you have a 10-gallon tank, you can house larger fish, such as gouramis, angelfish, or cichlids. It’s important to research the fish you are interested in and to understand their care requirements before purchasing them. Some fish also require specific water parameters, so make sure to check those as well. Ultimately, the most important factor to keep in mind when selecting fish is compatibility. Make sure to choose fish that can live harmoniously together.

Maintenance Requirements for Different Fish

Maintaining a healthy and thriving fish tank requires careful consideration and knowledge of the fish species you plan to keep. For a 5 gallon tank, small fish that do not require a lot of swimming space are best. Popular options include bettas, guppies, and tetras. For a 10 gallon tank, there are a wider variety of fish that can be kept due to the increased water volume. Fish such as angelfish, gourami, and barbs are popular choices. Regardless of the size of your tank, it is important to research the specific needs of the fish and to follow the necessary tank maintenance requirements to ensure a healthy and thriving tank.

Summary of the Best Aquarium Fish for Beginners

Aquariums are a great way to bring a little bit of nature into the home, and for beginners looking to get started, there are some great fish out there to choose from. When starting an aquarium, it is important to consider the size of the tank. For 5 gallon tanks, popular fish include bettas, guppies, and corydoras. For 10 gallon fish tanks, options include mollies, platies, and dwarf gouramis. It is important to keep in mind that some fish prefer to school or be kept in pairs, so research should be done to ensure that the fish are compatible. With the right care and regular maintenance, these fish can bring years of enjoyment to any aquarium.


When you are a beginner in setting up an aquarium, it is important to do your research in order to choose the best fish for your tank. Researching types of fish suitable for a 5 gallon tank and a 10 gallon tank, as well as the maintenance requirements for different fish, is essential. Additionally, it is important to consider the temperament of the fish and ensure that the fish can peacefully coexist in the same tank. By taking these factors into consideration and making an informed decision, you can enjoy the hobby of aquarium keeping for years to come.