What Are The Easiest Fish To Take Care Of In Aquarium

If you’re thinking about setting up an aquarium, it can be a really enjoyable and fulfilling experience. It’s like bringing a small piece of the underwater world right into your home or office. 

However, it’s important to know that not all fish are the same in terms of how easy they are to take care of. If you’re new to aquariums or you prefer fish that don’t require a lot of maintenance, it’s crucial to choose species that can thrive in a tank without needing too much attention. 

The good news is that there are certain types of fish that are known for being easy to care for. These fish are strong, adaptable, and can handle different water conditions. 

In this blog post, I’ll explore some of the easiest fish to take care of in an aquarium. This way, you can enjoy the beauty of underwater life without dealing with too many difficulties. Let’s dive in.

6 Easiest Fish to Take Care of in Your Aquarium

Image Credit: fishlab.com

1. Betta Fish

Betta fish, also known as Siamese fighting fish, are colorful and beautiful fish that originally come from Southeast Asia. They have long fins and vibrant colors like red, blue, yellow, and purple, which make them a popular choice for aquariums.

Betta fish are a good option for beginners because they can adapt to different water conditions and are generally hardy. However, it’s important to keep their environment clean and stable.

One interesting thing about Betta fish is that they can breathe air from the water’s surface using a special organ called the labyrinth organ. This helps them survive in low-oxygen environments. In your aquarium, make sure they have access to the water’s surface for proper breathing.

To take care of Betta fish, you’ll need a small aquarium or fish tank of about 5 to 10 gallons in size. Use a good filter to keep the water clean, and regularly change the water to maintain its quality. Keep in mind that Betta fish are usually solitary and can be territorial, especially males. So it’s best to keep them alone or with compatible tank mates.

Betta fish usually live for about two to four years in an aquarium, but with proper care, they can live even longer. Feed them high-quality Betta-specific pellets or flakes and occasionally give them treats like bloodworms or brine shrimp to keep them healthy and colorful.

2. Goldfish

Goldfish have been the top choice for aquarium lovers for centuries. Their vibrant colors, unique personalities, and easy care make them stand out. To keep your goldfish happy and healthy, give them enough space and water. 

Aim for at least 20 gallons (75 liters) of water per goldfish and ensure proper filtration. Keeping the water temperature stable between 65°F and 75°F (18°C to 24°C) is essential. Avoid placing the tank near extreme heat or cold.

Maintaining the right water conditions is crucial for your goldfish’s well-being. They prefer a pH level between 6.5 and 7.5 and moderate water hardness. Regularly test and adjust the water to meet their needs. Along with regular water changes, these steps will help your goldfish thrive in a spacious aquarium.

To make your goldfish feel at home and engaged, provide hiding spots, decorations, and live plants in the tank. It’s important to feed them a balanced diet of high-quality goldfish pellets or flakes. 

Be cautious not to overfeed, as excess food can harm their health and water quality. Instead, offer small portions multiple times a day. With proper care and a healthy environment, goldfish can live for many years, bringing life and beauty to your aquarium.

3. Guppy Fish

Guppies, also known as million fish, are tiny and vibrant swimmers that will mesmerize you with their dazzling tails and stunning patterns. They come in a mesmerizing array of colors, from fiery reds to elegant greens, infusing your aquarium with a burst of energy and vibrancy.

But here’s the really interesting part, guppies are experts at breeding. They have a special talent for reproducing quickly and frequently. Female guppies can give birth to a whole bunch of fry all at once, creating a new generation of vibrant colors and patterns right in your tank. 

To keep their population in check, it’s a good idea to separate the males and females or stick to one gender. In terms of lifespan, Guppies typically live for about one to two years in an aquarium. However, if you give them exceptional care and attention, some can defy the odds and live for three years or even longer. 

These little fellows are omnivores, which means they happily gobble up a diverse diet of high-quality flakes, pellets, and occasional treats like live or frozen foods such as brine shrimp or daphnia.

With their lively personalities, captivating colors, and low-maintenance needs, guppies are the perfect choice for aquarium enthusiasts. Bring these charming fish into your underwater world and watch as they add a splash of vibrancy and joy to your aquatic realm. 

4. Corydoras Catfish

Corydoras catfish, also known as “Cories,” are adorable fish that like to hang out at the bottom of the aquarium. They have cute whiskers that resemble a cat’s, which adds to their charm. 

These friendly fish enjoy being with other Corydoras and thrive in well-kept aquariums. One of their natural habits is to search for leftover food, which helps keep the tank clean.

To create a comfortable environment for Corydoras catfish, it’s recommended to use a sandy or fine-gravel substrate that resembles their natural home. Adding hiding spots like caves or plants will make them feel secure and happy. 

Taking care of their water is important too. Regularly changing the water and using a good filter will keep the levels of ammonia and nitrate low, which is good for their health.

When it comes to feeding, Corydoras catfish are not picky eaters. They enjoy both plant-based and protein-based foods. Give them sinking pellets or wafers that are of high quality as their main meals. 

Occasionally, you can treat them with yummy snacks like bloodworms or brine shrimp. Just make sure the food reaches the bottom of the tank, as they like to eat there.

Corydoras catfish are known for their playful and easy-going nature, making them a great addition to community aquariums. They not only bring joy but also help in keeping the tank clean. 

5. Neon Tetras

Neon Tetras are small, vibrant fish that add brilliance to any aquarium. Their shimmering blue and red colors create a stunning visual display that mesmerizes aquarists. These lively fish are always on the move, adding life and excitement to the tank. 

They enjoy swimming together in groups, so keeping them in schools of at least six individuals allows them to show off their natural behavior, creating a captivating spectacle in your aquarium. Watching their synchronized swimming and shimmering colors is truly mesmerizing and adds a dynamic element to your aquatic display.

To care for Neon Tetras, maintain a well-kept aquarium with stable water conditions. They thrive in slightly acidic to neutral water, with temperatures between 72°F to 80°F (22°C to 27°C). Adding live plants and a gentle filtration system will mimic their natural habitat and provide a comfortable environment for these graceful fish.

Neon Tetras usually live for around three to five years in an aquarium, but with proper care, they can live even longer. Offer them a balanced diet of high-quality flakes or pellets, along with occasional treats like frozen or live foods, to support their overall health and longevity.

6. Zebra Danio

Zebra Danios are fish that have a captivating look with beautiful blue and silver stripes. They are not only pleasing to the eye but also strong and adaptable.

What makes Zebra Danios even more fascinating is where they come from. They originate from lively streams and rivers in South Asia, including countries like India, Pakistan, Bangladesh, and Nepal. Their natural habitat influences their love for swimming swiftly and being in active water environments.

When it comes to sharing a tank with other fish, Zebra Danios are very flexible. They peacefully coexist with various fish species, as long as their tank mates are non-aggressive and don’t nip their fins.

To ensure the well-being of Zebra Danios, it’s important to keep the water clean and maintain temperatures between 64-77°F (18-25°C), with a pH level between 6.5 and 7.0. Choosing peaceful fish species as tank mates is crucial to prevent aggression and fin nipping.

In an aquarium, Zebra Danios typically live and thrive for two to five years. Their ability to adapt and survive in different temperatures and water conditions makes them an excellent choice for beginners.

With their enchanting appearance and impressive ability to endure different conditions, Zebra Danios bring beauty and liveliness to any aquarium. Taking care of them is a delightful experience that rewards both newcomers and experienced fish enthusiasts alike.


To sum it up, having an aquarium can make you happy. Choose fish that need less care but can handle different conditions. I hope this guide helped you learn about easy-to-care-for fish. If you have any questions, leave a comment. Thank you for reading.

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  2. How to Care for a Betta Fish in an Aquarium
  3. How To Raise Ph In Aquarium
  4. 15 Best UV Sterilizers For Aquariums
  5. Best Floating Aquarium Plants