Tropical fish for an aquarium

Having an aquarium at home can become a living masterpiece. There are so many possibilities and combinations that we can afford, that it would be a beautiful endless theme. In today's article we will start with the most basic within the multiple species of exotic fish and we will get to know the most spectacular or precious species.

In any case, we must be aware that pets are not toys that can be thrown away. Sor living beings that deserve our attention and care, For this reason we must apply the 4 golden rules: time, knowledge, space and economy.

It is essential to have an idea of ​​the fish that we are going to adopt. If we have a small aquarium we should not adopt a fish that in three months does not fit in it, for example. Or we should not mix antagonistic species that attack each other. At AnimalWised we will tell you the best ways to plan your aquarium guests in tropical fish for an aquarium:

You may also be interested in: Fish for a community aquarium Index
  1. Hardy Exotic Freshwater Fish
  2. Freshwater tropical fish
  3. Small tropical saltwater fish
  4. Exotic fish for large freshwater aquariums
  5. Exotic fish for large saltwater aquariums

Hardy Exotic Freshwater Fish

If we have not enjoyed a simple aquarium and we do not yet know the mechanics of its maintenance, we must first study the situation and ask ourselves: ¿Freshwater fish, or saltwater? Those of fresh water and room temperature are the easiest to maintain.

Freshwater fish are usually not problematic:

  • Killis, very beautiful fish that adapt to different waters and do not fight.
  • Tang fish, small fish to swim in small groups.
  • Callctids, help keep aquariums clear of bottom debris.
  • Toxotides, precious fish that will live in the upper part of the aquarium.
  • Rainbow fish, beautiful and resistant.

With these 5 species and the necessary ornaments we can set up a spectacular freshwater aquarium. The professional will guide us on the units of each species that it will be convenient to adopt, depending on the size of the aquarium and the growth of each species..

Image of a killi from

Freshwater tropical fish

When talking about tropical fish, we must automatically consider that the water in our aquarium must be warm. Therefore, our aquarium must be equipped with a device that keeps the water at a constant temperature. Consequently, cold water fish should not coexist in these warm waters. The simplest tropical fish to keep are:

  • Small tetras, such as Tetra nEon and the Luminous tetra. They are very resistant colorful fish, and although they are moderately aggressive they can coexist with other species of similar size.
  • The Corydoras are essential to clean the bottom of the aquarium.
  • The crystal fish and the fish zebra they are ideal companions of the small Tetra.

They can also live with vegetarian fish type:

  • Banjo catfish
  • Otocinclo
  • Locha Dojo

A rule that should be followed in freshwater aquariums is that no specimen fits in the mouth of another individual, because this is most likely the end of the first. With which it is convenient that the sizes are even, or that the large specimens are herbivorous.

Image of a Corydora at

Small tropical saltwater fish

Saltwater aquariums are very complex, since regardless of the degree of salinity, pH, temperature and alkalinity, decorative elements are also very important: plants, rocks, gravel and living static hosts such as anemones and corals.

If one day we aspire to have a large saltwater aquarium (without the need to undernourish the family for this reason), it will be convenient to start with a medium-sized aquarium and start with the strict control and maintenance of all the different filters, salinity , hydrometers, temperature, pH, etc. of these complex aquariums.

Obviously, it will also be convenient to start with resistant fish with a salty range. Then we will indicate the most suitable species to start a project of some importance.

  • Damsels, They are very resistant fish that are optimal to start in a saltwater aquarium.
  • Gobies, they are very hardy little fish that eat the algae from the bottom.
  • Clownfish, they are very colorful and easy to breed.
  • Surgeon fish, a precious and useful fish as it engulfs the algae that proliferate in the aquarium.

Image of a surgeon fish

Exotic fish for large freshwater aquariums

In the large freshwater aquariums different medium-sized species can live, trying to exclude as a rule those that are aggressive and very territorial.

  • The gouramis they can live in small banks, there are diverse and colorful varieties. They grow between 5 and 12 cm.
  • The plecostimus catfish It is a fish that should be kept in aquariums because it eats the algae that proliferate at the bottom. It can grow up to 60 cm. There are other species of catfish, but they are either carnivorous, or they grow excessively.
  • The angelfish they are very beautiful and can do a lot. There are several species and they are aggressive towards each other, for which reason only one specimen should be kept in the aquarium. It is not advisable to gather him with fish that fit in his mouth, he will eat them.
  • The silver tetra it is compatible with angelfish. They are beautiful, very bright fish that like to swim among the rocks and aquarium plants.

Image of an emperor angelfish

Exotic fish for large saltwater aquariums

In this type of aquarium, multiple species of fish can coexist, which is more beautiful. It is also possible to incorporate anemones, gorgonians and other corals. With enough space, fish tend to be less aggressive. Likewise, they should put crabs, shrimp and snails.

  • The bicolor angelfish It is a very showy fish that spends the day swimming and pecking its food among the rocks. It can grow up to 15 cm.
  • The yellow butterfly fish He is aggressive among his own species, but tolerates others. Requires aquariums of more than 200 liters. There should only be one specimen in the aquarium.
  • The flowery angelfish it can live in small groups of the same species. Grows up to 6 cm.
  • The Red Sea Dusky Wrasse It is a very peaceful fish that adapts very well to captivity, as long as the aquarium is very large and has more than 400 liters. They can grow up to 18 cm.
  • The standard bearer fish it is very calm and sociable with other species. It grows to 20 cm. Has cleaning habits with other fish.
  • The blue cleaner wrasse It is an essential fish in an aquarium, since it cleans and deworms the other fish in the aquarium. There can only be one specimen in the aquarium, as they are aggressive towards each other. Grows up to 18 cm.

Image of yellow butterfly fish

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