What Tropical Fish Can Be Kept Together

Curious about What Tropical Fish Can Be Kept Together?

Having an aquarium with lots of tropical fish is one of the best experiences for fish lovers. It’s really amazing when you see them swim together and interact with each other in the aquarium. 

Tropical fish are one of the most common types of fish that fish lovers want in their aquariums. Although, there are some fish that can get along and live together, while others might ceaselessly fight for dominance.

To avoid this hindrance, you should know which tropical fish can safely live together.

So, keep on reading and find out what tropical fish can be kept together so that you can have a colorful, peaceful, and enjoyable environment for your fish. 

What Tropical Fish Can Be Kept Together

What Are Tropical Fish?  

Tropical fish are saltwater and freshwater species originating from the lovely amphibian tropical zones of the sea.  

The expression “tropical fish” is definitely not a scientific categorization, yet rather is a general term for fish found in such situations, especially those kept in aquariums.  

Tropical fish originate from everywhere throughout the world, including numerous natural surroundings and diverse environments. Some of these fish remain small for their lives, similar to the Pygmy Rasbora, while others develop colossal-like, such as the Redtail Catfish.  

When tropical fish exist with other tropical fish in a similar tank without battling, eating, or slaughtering each other, they are named “network” species. Many beginner fish guardians focus on a tank aquarium loaded up with shapes, hues, and varieties. Network tanks are the most well-known kind of tropical aquarium.

Why is it Important to Have Compatible Fish?  

Having perfect fish forestall a great deal of time, disappointment, and cash being squandered on your end. Similarity keeps away from a conceivably ruinous circumstance inside your tank.  

Now and again, fish don’t get along. However, they can live in a similar area, while others may continually battle for predominance. This can mean one or more fish gets harmed or even eaten.  

Steady battling causes worry for all fish, which can cause a great deal of alluded issues.  

It’s ideal to stay away from the entirety of this by carefully picking fish that can coexist with one another.   

There are general guidelines to follow when attempting to place numerous fish in a tank. Quiet and less aggressive fish can be with more aggressive fish, assuming that there’s sufficient space for them.  

Fish can get along, given the correct amount of space, and having an environment that allows for them to hide in concealed spaces.  

One example of this is having a mix of fake and genuine plants, just like their real environments, so that the smaller fish will have places to hide from the bigger fish. This can help relieve tension and conflict between the fish, which will go a long way in lengthening the life span of your fish! 

What Tropical Fish Can Be Kept Together

Three General Categories of Tropical Fish  

Community Tropical Fish  

Community fish are smaller, progressively quiet fish that can commonly live well together. It’s very doable to have all network fish living respectively. They, for the most part, don’t develop much bigger than their original size, so you can have a little fish tank around 20 gallons or more.  

Semi Aggressive Tropical Fish

The semi-aggressive fish are progressively territorial in nature and can be aggressive at times for various reasons. When we say aggressive, we mean actively pursuing and eating other little fish.  

They will, in general, become bigger, so a 30-gallon or more tank is ideal. These types of fish, particularly males, can be more forceful towards one another and smaller network fish. In case you’re going to mix tame network fish with semi-forceful fish, be sure that the size difference is little. If you do want to go this route, try to balance things out by having a much greater number of network fish than the semi-aggressive fish.  

Aggressive Tropical Fish 

This variety of tropical fish are flesh-eating fish that are aggressive and carnivorous and will eat other smaller fish if given the opportunity.  

These fish should never be mixed with little network fish or even semi-forceful fish. These sorts of fish develop and grow quickly, so a huge fish tank is required. These species are not for newbies or those who have little to no experience.

Why Do Tropical Fish Need to Get Along?  

In spite of the fact that this may appear to be clear as crystal, it’s a significant subject to examine. You’re the one who will need to create a suitable environment for the fish. You have the force and obligation to guarantee everything in the tank works appropriately, including the interactions between the fish themselves. Fish that don’t get along will not only give you a headache, but will cause great distress to the other fish. Some fish will even turn out to be so aggressive to the point that they’ll slaughter each other. Understanding why a fish battle occurs in the first place can help you avoid a similar situation for your own tank. 

What Tropical Fish Can Be Kept Together

Why Do Tropical Fish Fight?  

Similarly, as with any creature, there’s always the potential for a battle. Understanding why you have to painstakingly pick your fish is essential for their prosperity and well-being:  


Although battling over an area sounds like battling about assets, it’s unique to some degree. Some fish are more territorial than others. If the tank is excessively small, they may start to hunt down the other fish, so that they can make more room in the tank. 


Depending on the species, you should be cautious with regards to your female-to-male proportions. Some fish may battle each other over the reproducing privileges of the females.

Assets or Resources 

One reason why fish fight is due to rivalry. Fish that don’t get along frequently fight off their opponents for assets – for example, nourishment, rocks, plants, and different things in the tank.  

Conflict in Personality  

Certain types of fish are known for their timid propensities, while others are considered “battling fish.” Research the type of fish that you’re looking to get, and make sure that they’ll get along with each other, or aren’t overly aggressive.

The Most Effective Method to Introduce Fish to Each Other 

There are a couple of things you can do to prevent your fish from causing havoc to each other.  

  • If you’re getting your fish at the pet store, try asking someone who works there that is knowledgeable about which fish would be best for you.

  • Make sure that your aquarium is sufficiently sized for the type of fish that you’re interested in getting. Trying to house fish in an aquarium that is way too small will certainly cause various issues in the ecosystem.

  • Ensure that your water quality is sufficient before you go ahead and add in your new fish.

  • Darkening the lights will also help create a more comforting environment, and could help keep your fish calm and keep hostility from either side to a minimum.

  • Make sure that there’s enough room for the fish that you’re going to add, and make any needed adjustments to the environment. This includes aspects such as any plants, rocks, or other objects.

This will help get your new fish adjusted to the water, and will help ease you from worrying about your other fish. Seemingly insignificant details that you may have overlooked could have a major effect on the well-being of both your existing and new fish.

Signs Fish Are Not Getting Along  

If you focus on the personality of your fish, you can keep most fish together. Tropical fish battle over territory, mates, and nourishment. Knowing things that can trigger your fish will prevent short-term or long-term damage in your ecosystem.

Try to take note and see if your fish are hiding frequently, or have worn out tails. This could be an indication of a fish being tormented/injured.

If aggressive behavior doesn’t decrease in a couple of days, it’s a great opportunity to consider isolating the dominant fish, and see how the situation improves from there. Remember, fish like to play, so what can resemble battling can really be them playing.  

If there are no physical injuries, there isn’t a lot to stress over. In any case, if there is potentially something that is stressing them out, consider making changes that could help you figure out what the issue is.

Tropical fish tank with fish

What Tropical Fish Can be Kept Together?  

Tropical fish are beautiful types of fish. There are plenty of tropical fish that can get along and here are some of them: 


Guppy Fish

Guppies are the ideal fish to have with others. Tranquil and tiny, it’s ideal to maintain a strategic distance from bigger fish in a similar tank. Bigger fish appreciate nipping on their streaming blades.  

Guppies are one of the most well-known tropical aquarium fish since they’re so easy to deal with and come in pretty much every shade of the rainbow. They’re a solid match for a network tank with other quiet fish.  

They’re omnivores and will eat pretty much anything. However, their principle diet should be top-notch and high quality, with not much filler.  

They love schools and should be kept in huge gatherings. You can securely house one guppy for every two gallons of water.  

They are strong fish, and can even eat a huge variety of food. They can eat thawed or live brackish water shrimp, blood worms, or Daphnia. Guppies are resilient and can survive for more than seven days without nourishment shows how tough they can be.

If you’re keen on keeping Guppies, it’s critical to know the distinction between both males and females. These fish can reproduce extremely fast, so if you keep male and female Guppies in the same tank, be ready for quite a lot of Guppy babies.  

To prevent this from occurring, make sure you choose one gender. As long as you have all males, or all females, you won’t have this issue. Of course, if your goal is to have Guppy babies, then be sure to mix males and females.

Cory Catfish  

Cory Catfish

If you’re searching for a decent fish for a novice, you can’t go wrong with a Cory Catfish.  

Corydoras Catfish are fish that feed from the base of the tank. Bottom feeders, or so they’re called – are little, strong, and an extraordinary tankmate for non-forceful fish. They do well in smaller 10-gallon tanks, yet flourish in bigger tanks, as well.  

These can be matched with guppies flawlessly. Since they are scavengers, take additional measures to ensure they are eating enough.

Cory catfish are social animals and prefer gatherings of at least three. A solitary Cory will do fine all alone, yet some are known to be exceptionally timid and they’ll be considerably more amusing to watch in a gathering. They love live plants and need loads of spots to roam and explore.

This will keep them from getting aggressive, as long as they are occupied.


Molly Fish

There are a couple of assortments of Mollies. The vast majority of them are splendid oranges and reds which will help give your tank that extra bit of color variety. Mollies, similar to betas, are excellent fish. However, it’s ideal to just have one male or all females in your tank.  

A male and female will worry one another, so consistently have one male to every four females. Mollies are omnivorous, mild fish that coexist with numerous types. Mollies are livebearers which means they don’t lay eggs. They’re additionally extremely simple to raise in an aquarium setting.  

Mollies are a well-known learner fish since they’re truly open-minded of water varieties. They prefer plenty of solid plants, hideouts, and are quite the curious little explorers. They’re omnivores who eat pretty much anything you give them. 



One of the more solid freshwater aquarium fish accessible in the market is Danios. Because of their toughness, they are the ideal fish for individuals who don’t have a lot of involvement in a tank. They can get by in a wide range of water conditions.  

Danios are commonly exceptionally dynamic and amusing to watch. Regarding their eating regimen, they will be more than content with fish chips.  


Platies Fish

An ideal fish for the network tank! Platies are an extremely tranquil fish that will live calmly with other non-aggressive fish. There are bunches of assortments to choose from, and they accompany a wide range of hues. 

Platies are not particular with the food that they eat. They’ll eat lots of different kinds of food with little to no issues or preference.

Red Swordtails

Red Swordtail Fish

Red Swordtails are a serene fish that are a perfect addition to a network tank, although males should be isolated in light of the fact that they can get forceful. These fish are exceptional jumpers, so ensure you keep your aquarium secured.  

Red Swordtails are omnivores that will eat fish pieces, bloodworms, and saltwater shrimp. They’re live-bearing fish that can create upwards of 80 fry!  

They’re a simple fish to raise, and are a treat to watch.



Cichlids are another exceptionally different gathering of fish that come in a scope of various colors and sizes. They’re a well-known choice for aquarium enthusiasts since they are pretty and add plenty of colors and visual variety to any tank.  

These fish are dynamic and can be exceptionally territorial, so it’s a smart idea to give them a ton of plants, rocks, and other concealing spots for their tankmates.  

They like to chase for nourishment and have been known to delve into substrate searching for something to eat. 

Tropical Fish Tank with Fish


If you’re looking for tropical fish, there are lots to choose from – all different shapes, colors, and sizes.  

When it comes to choosing tropical fish, the best tropical fish for your aquarium are the ones that perfectly suit you.  

However, it’s still a good idea to do research about the fish you want to have. Make sure to pay attention to their food and habitat needs. 

Try to stick with the list of tropical fish above and fill your harmonious aquarium with your favorite tropical fish! 

Interested in learning about other neat pets? Check Out: Cool Pets That Are Easy to Take Care Of.