10 Most Popular Fish As Pets For Your Aquarium

We all love to bring varieties of fish to our aquarium. Whereas some fishes make great pets, some may create a whole mess in your little water world. Whether you are just starting your collection or already have an aquarium filled with fish, there are some species you cannot just miss out on. 

So, today, we will talk about the 10 most popular fish as pets that you will love to keep in your aquarium.

1. Freshwater Angelfish

The king of aquariums, the Angelfish, is the most popular fish among pet keepers for its beautiful colors, patterns, long trailing fins, and diamond shapes. These are some unique traits that generally match with the South American Cichlidae family but in a few terms. As the king of aquariums, angelfish love to rule alone in the water.

Freshwater Angelfish 

So it’s best not to keep other fishes in the angel’s territory. Otherwise, they will eat the small fishes on the go and also show territorial behaviors toward others. 

2. Betta

Who doesn’t love a pop of color in their aquarium? Indeed everyone does, and for having vibrant colors in desktop aquariums, bettas are the most popular pet among fish keepers. You’ll find pops of blues, reds, yellows, purples, or even neon orange too among these long-fin fishes.


Mostly their long flowing tails are referred to as princess dresses, and their traits also show many similarities to a princess. They never stay in one aquarium with other betta fishes, whereas smaller fishes than bettas might be allowed to stay in one pot. 

3. Fancy Guppies 

Don’t confuse the fancy guppies with betta fish. They might look the same for vivid colors but don’t share similar characteristics. Guppies can happily stay with other cousins of their own species or other species, which is different from bettas’ territorial behavior.

Fancy Guppies 

Also, they love to swim along through the long-standing plants and enjoy the water splashes while giving you proper entertainment. As they are easy to care for and very social with other species, guppies can be a great addition to your hefty aquariums. 

4. Mollies

Mollies are one of the easiest to care for freshwater fishes, which makes them popular pets. They have varieties of colors and species to choose from- a total of over 40. But among those huge varieties, black mollies are the most popular ones.


Just like the guppies, they love to bring new baby fishes into their hutch, so if you don’t want a big bunch of mollies hanging out in your aquarium, keep same-gender fishes in your aquarium. 

5. Goldfish

No aquarium is complete without having a goldfish in the water. This is the most popular and widely loved species of fish that people love to keep in their house or office desktop. Whether you want to keep them in single bowls or in a bunch of fish around, goldies are open for both.


But to add some extra fun, we love to suggest having some long fins and colorful fancy goldfish that will make your aquarium more attractive and vibrant. However, the most common fancy goldfishes are Oranda, Shubunkin, Comet, and Ryukin. 

6. Neon Tetra

The neon tetra is another widely popular nano fish for its easy care requirements. They have the most beautiful bright blues and red color combinations that make the fish most attractive in the aquarium. Plus, their love to stay with their school of same-breed fishes makes them the heart of large aquariums.

Neon Tetra

Also, they get along best with other Tetras, Rasboras, and Cory catfish. But if you are looking for a small bowl fish, neon tetra is not going to be the perfect match. 

7. Tiger Barbs

Having beautiful patterns like a tiger, and tiger barbs make the best hyperactive breed of the barbs family. They have eye-catching shades of color, including solid silver and albino. Most people love to keep the silver ones with orange fins and black bands.

Tiger Barbs

They generally live in groups, so it will be fun to watch some naughty fish playing together. But they are also well known for nipping and biting, so keeping other long-fin fishes like fancy goldfish or bettas with tiger barbs may not be a good idea. 

8. Oscars

Despite being an aggressive breed of pet fish, Oscars are counted as a popular fish for their unique black and orange color. The beautiful black fins and oval-shaped bodies make them attractive to pet keepers, and people love to have at least a pair of Oscars in their aquarium.


But as they have much aggressive behavior, beginners should not attempt to have Oscars in their terrarium. 

9. Rainbowfish

Hearing rainbows, a bunch of colors pops into our minds. But in this rainbow fish, we, unfortunately, found only the blues, greens, and yellows in different patterns. However, they still make popular fish for their easy-to-care nature.


Plus, for their shy and calm behavior, they also make a great companion for other pet fishes and mostly go well with tetras and barbs. 

10. Zebra Danios

Being highly active in their territory, zebra danios make a great pet for beginners and the best companions for shy breeds to chill with. They love to hang out with their school friends or even with other species; otherwise, they get stressed. So keeping a single zebra danio will be a bad idea.

Zebra Danios

However, you can choose from beautiful colors of danio ranging from gold, black, and albino and bring color variation to your aquarium.

Starting a collection with the most popular fish as pets can ease you through an amazing journey with these beautiful creatures. The more variety you will have, the more knowledgeable and comfortable you will be with them. When you start keeping fish as pets, you embark on a soothing and wonderful adventure with them. Therefore, pick your favorite ones from our list, collect them, and unfold a new chapter in your life!

Murphy Bernier

Murphy Bernier

Murphy Bernier is a New-York based freelance writer, professional blogger and certified dog trainer. She networks shelter pets to help them find homes and volunteers for rescue groups as she is passionate about dog rescue and adoption. From a very early age, she developed extensive animal handling skills from her dad, and that’s where her love for animals started.

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