10 Best Tropical Aquarium Fish for Beginners: Tropical fish care tips

 Top 10 Best Tropical Aquarium Fish Guide for All Beginners

Hello, all aquarium hobbyist, In this article, we are going to list the 10 best tropical aquarium fish for beginners. So now you populate your fish tank of color and life. Now we suggested today to take care of and the least work you will need to keep them.

It is important that you consider what species of 10 best tropical aquarium fish you combine in your home aquarium. Since some of these may act territorially or aggressively against other species. Part of the process of setting up an aquarium is to check the compatibility of the fish you choose. Therefore it is advisable to ask the store for compatibility when buying the fish.

Another important thing that you will have to pay attention. When making an aquarium and setting up for tropical aquarium fish is the pH of the water. Each species of fish has its pH in which it can live in a healthy way. Generally, the fish can live in a water between 5.5 and 8.

Finally, we will have to take care of the water temperature, usually, a temperature of 20-23 ° C will be suitable for most of the fish in this list.

Top 10 Tropical Aquarium Fish 

Peacock Cichlids

These tropical aquarium fish are very popular for their striking colors, and relative simplicity when caring. These fish do not grow more than 14 cm, and at least one fish tank of 120-150 liters is recommended. As an omnivorous species, it does not have many problems with its food, and you can feed this fish with dry scales, flakes food, frozen food, scales, sticks, etc … Each subspecies of Peacock has its own needs regarding pH and temperature of Water, but as we mentioned at the beginning, these fish can live in with a pH of 5.5 to 8 and at a temperature of 20-23ºC.

Betta or Fighter fish

Betta fish are very easy to take care. Since they have a specialized organ that allows them to breathe the oxygen of the air. Unfortunately, these fish can be very territorial with other members of its species. And although they ignore the fish of other species. This is why it is recommended only to have a fish of this type in aquariums. These fish can live without problems in waters of 15º to 30ºC.

Kuhli Loach

These colorful fish can reach about 10cm, and require a pH of 6-6.5. Like other omnivorous fish, these fish can live on dry food, sticks or frozen food. This fish is usually recommended for its great adaptability, the only special care it requires, is a fine gravel, as this fish will try to bury in it and if it can not rest, and will suffer from stress.

Guppy  Fish

Guppy fish are one of the most popular and recommended for beginners. The only special care required by these fish are plants and if possible other decorative in the fish tank. Since these fish, especially the females, usually rest around plants. If you do not have them, and share fishbowls with other fish, you may end up suffering from stress. The question of water for guppies is very simple, the temperature should be between 22 and 26 ° C and the pH must be neutral (7).

Rainbow Fish

As the name indicates, these fish are usually of different colors, and their maximum size does not exceed 12cm. As with Guppys, it should be around 22-26 ° C and should have a neutral pH. With the rainbow fish we have reached the middle of our list of the 10 best tropical aquarium fish, for now, almost all these fish could live in the same aquarium without problems.

Auratus Cichlids

Auratus Cichlids is a species of tropical fish very wide, but it can be recommended, for its easy maintenance, diet, colorful. These tropical aquarium fish can survive on a wide variety of habitats and can be adapted to almost any habitat. The only problem that these fish usually have, is their rapid reproduction. If you are not careful, it is possible that the cichlids end up dominating your aquarium, luckily, you can control the ovulation of these fish with the water temperature.


Swordtail fish require a fish tank of at least 70 liters, and require intense lighting. It is a fairly easy fish to care for, the water must have a neutral pH, although it can live without problems in waters of a pH of 8, and the temperature should be between 20º and 28º C. These fish do not usually reach 15cm, and females are usually the largest. The Swordtail are very docile fish, although the males can have a territorial attitude if there are few females of its species, therefore, it is advisable that you have at least 3 females for each male.


These tropical fish can be very colorful, and you can find them in hundreds of colors, and combinations. You will rarely see one of these fish measure 5cm. These fish do not require any special care, you can have them in a small fish tank (25-50 liters) with a few plants, and live quietly. You only have to watch that the pH of the water goes to 5.5-6.5 and the temperature is between 24º-27º C.

Killi Fish

This fish can have very varied colors, and it is very difficult to find one of these with only one color in their scales. These fish do not require much special care, or much room to live, although it is recommended that you have at least 20 liters of water. Otherwise, the temperature should be around 24-26ºC and must have a neutral pH.

Green Barb

These tropical aquarium fish are quite territorial and can act violently against fish of other species, this intensifies that does not have the environment adapted for him. These fish are around 6-7 cm, require a pH of 6 to 7.5 and a temperature of 10-20ºC. The only particular care they have is that they can not live in groups of less than 7 individuals, or they will suffer from stress and aggression. It is also recommended to place narrow, sturdy leaves, as the barbs will try to eat the plants.


With this, we finish our review for the 10 best tropical aquarium fish for your home aquarium. Now you can imagine, there is a large number of fish, which we have omitted. Almost all the fish in this list require simple care, and for this reason.We have chosen them for this list. If you think we have left one, please do not hesitate to leave us a comment, and we will add it.



Author: Admin

James Walker has been a passionate aquarist for over 15 years. His fascination with underwater ecosystems began as a child, and he's since dedicated himself to learning about proper fish care, aquarium design, and the diverse world of freshwater species. James loves sharing his knowledge to help others build thriving aquatic environments.

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