Warmwater fish are freshwater fish that mostly come from the warmest regions of the planet. They come from South and Central America, Southeast Asia, and Africa. 

These areas have very high temperatures throughout the year due to increased sun exposure, which benefits this animal’s excellent development and growth.

If you have ever wanted to have these fish as a pet, in this article, you will find a selection of the most beautiful and easy-to-care warm-water fish so that you can choose which ones you want as a pet. So if this is what you are looking for, do not hesitate to continue reading to know everything about the different species of this animal.

Danio zebra or danio rerio

Danio zebra Fish

All the fish in the Danios family are straightforward to care for, but the so-called zebra danios or danios ratios are the most precise and most beautiful. These gregarious fish are very friendly, making it preferable to live with fish of the same species to form a community and reproduce since they do this very quickly. 

However, as long as the water is clean and well-drained, they do not have any quality problems. These damages can reach a maximum of five centimetres.

Neon Tetra

Neon Fish

It is a gregarious fish, one of the most demanded in hot water due to its stunning colours: neon blues, reds, oranges, blacks, and whites. They are small and can adapt very well to living with other species. However, they should live with other fish of the same species to be comfortable and balanced.

These fish are straightforward to care for since they do not demand quality and temperature. However, it is better if the water has a pH lower than seven and around 25 degrees. Their size can reach up to four centimetres, and for them to live comfortably, they need an aquarium of about 50 or 60 litres.

Cherry Bread

This cherry-red fish -for this reason, it has that name-, is a very peaceful fish that likes to live in small groups of the same species, about five more fish like it. 

They reproduce very quickly as long as they are in the right conditions, the water temperature being between 22 and 24 degrees, and there is a lot of vegetation.


Guppies Fish

These fish belong to the Poeciliidae family and are one of the easiest to care for, ideal for starting with an aquarium. They are pretty robust and are very easy to reproduce, so much so that sometimes this can become a problem. 

Likewise, they are very calm and friendly, making them adapt quickly to living with other species.

These fish are very colourful if they are raised in a wild environment. However, aquarium guppies do not usually have as many colours, but if you are looking for, acquire the males of this species, which are usually more colourful than the females. 

They can measure up to six centimetres, and ideally, the water temperature where they live should be between 22 and 28 degrees, and it is an aquarium of about 80 litres.

Gurami Pearls

Gurami Pearls

These fish belong to the Belontidae family. They are easy to care for. They like that there is a lot of vegetation in the aquariums to spawn and that the water temperature is around 25 degrees. 

They reproduce very quickly, and the aquarium where they live should range from 50 to 150 litres, depending on the number of fish you have.

Swordtail Fish

Swordtail Fish

This animal comes from the pencils family, and they are the perfect fish for those just starting in the aquarium world. They are not at all demanding with the quality of the water, as long as it is at an ideal temperature, that is, between 25 and 28 degrees, although they can adapt to higher and lower temperatures. 

They are pretty significant compared to the rest, reaching about 12 centimetres, which means they need aquariums of at least 100 litres. They prefer to live with fish of the same species with about five members, but they are pretty pleased with other fish.

Corydoras Panda

Corydoras Panda Fish

This animal is relatively small. It can measure a maximum of four and a half centimetres, making it the ideal pet for small aquariums of about 60 litres. These fish feed on algae and usually like to clean the aquarium of these plants, which makes them carry the nickname of cleaner bottoms.

Harlequin Fish

Harlequin Fish

The clown or rasbora fish is a fish with a lot of energy that does not stop swimming. In addition, like the rest, it is enjoyable and gets along well with the rest of the species. It is a gregarious fish and likes to be surrounded by more fish of the same species. 

The ideal temperature for the harlequin fish is 24 degrees to 27 degrees, and its water needs to have a pH of less than 6.5. They are pretty small since the maximum they can measure is 5 centimetres, but they still need an aquarium of at least 100 litres.

Pez Betta

Pez Betta Fish

These fish are excellent due to their vibrant and striking colours. The betta fish is characterized by having long fins that unfold, creating incredible visual effects of colour and movement; However, the problem with having this species as a pet tends to be a bit aggressive towards males of the same species, so you have to be careful.

Likewise, it is not usually with fish of different species, but certain precautions must be taken, such as looking for those species with which the Betta fish is best suited. These fish do not need a giant aquarium. With one of 50 litres, it will be more than enough. The temperature you need ranges from 22 to 30 degrees.