12 Fish that Do not Need A Filter (With Pictures)

When you are setting up the aquarium, you make sure that filters are working well to make the environment fresh. What if, you have a fish that does not desperate for a filter in the aquarium. Some fish do not need a filter and can live perfectly well in an unfiltered aquarium. In this article, we are going to provide you list of the best 12 fish that do not need a filter.

But before there is a quick target question for you.

 

Are there any fish exist that do not require a filter?

The brief answer is yes. There are some fish that have the ability to live without filters in the fish tank due to some special characteristics. The most common of these are goldfish, which are remarkably resilient creatures. Other fish that can live without a filter include bettas, danios, tetras, and some bottom-feeders.

 

What are their special characteristics of them?

Fish that do not need a filter are typically those that can live in both fresh and saltwater. These fish have what is known as a “swim bladder” which allows them to control their buoyancy. This ability to regulate their buoyancy means that they can live in water with different levels of salinity without having to rely on a filter to keep the water clean for them.

 

The best 12 fish that do not need a filter

1. Goldfish

Goldfish

Goldfish are the classic example of a fish that does not need a filter. These hardy little creatures originated in Asia, where they were often kept in rice paddies and other small bodies of water with very little filtration. They can adapt to a wide range of conditions and do not require special care or attention.

 

2. Bettas

Betta

Bettas are colorful little freshwater fish that originate from Southeast Asia, where they lived in slow-moving streams and ponds. They are quite tolerant of poor water quality and do not require elaborate care or equipment.

 

3. Danios

Danio

Danios are very active. They come from India and Myanmar, where they inhabit streams and rivers with low water quality. They are relatively easy to care for and make an excellent choice for beginner aquarium enthusiasts.

 

4. Tetras

Tetra

Tetras are another group of fish that can live without a filter. These small freshwater fish originate from South America, where they inhabit rivers and streams with little to no filtration. Tetras are relatively easy to care for and make an excellent addition to any aquarium.

 

5. Bottom-feeders

Bottom-feeders typically reside at the bottom of the aquarium, where they feed on detritus and other organic matter. Bottom-feeders are relatively easy to care for and do not require special attention or equipment.

 

6. Guppies

Guppy

These colorful and lively fish originate from Trinidad and Tobago, where they inhabit slow-moving streams and ponds. They are quite tolerant of poor water quality and do not require elaborate care or equipment. Guppies are relatively easy to care for and make an excellent choice for beginner aquarium enthusiasts.

 

7. Platy fish

Platy

Platy fish are small freshwater fish that originate from Central America, where they inhabit rivers and streams with little to no filtration. This fish is an excellent choice for beginners, looking to care with ease.

 

8. Swordtail fish

Swordtail

Swordtail fish are also very active. These little fish originate from Central America, where they inhabit rivers and streams with little to no filtration. Being a tolerant Fish, you can put it in an aquarium without using any sort of filters but you have to change the water after a while.

 

9. White Cloud Mountain Minnow

White Cloud Mountain Minnow

The White Cloud Mountain minnow is a small freshwater fish that originates from China. These little fish are very hardy and can adapt to a wide range of conditions. They do not require special care or attention, and can even live in poor water quality. White Cloud Mountain minnows make an excellent addition to any aquarium or fishbowl.

 

10. Mollies

Molly

Mollies are popular fish for home aquariums. These colorful little fish originate from Central America and the Caribbean, where they inhabit brackish waterways with little to no filtration.

 

11. Zebra fish

Zebra fish

Zebrafish are a type of freshwater fish that originate from India. These little fish are very hardy and can live in a wide range of conditions. They do not require special care or attention, and can even live in poor water quality.

 

12. Pygmy Corydoras

Pygmy Corydora

They are known as the smallest fish that can be a nice fit for your aquarium. This fish comes from the rivers of Brazil, Peru, and Ecuador. The fish has the natural tendency to take oxygen from the top of the tank when water quality is poor. This kind of fish doesn't need a filter in any emergency.

 

Final words

In Conclusion, There is a wide variety of fish that can live without a filter in their Fish Aquarium. These fish typically have certain characteristics that allow them to tolerate poor water quality and survive in environments with little to no filtration. If you are looking for a hardy fish that does not require a lot of care, one of these species may be right for you. There are many different types of fish that can live without a filter. These fish typically come from regions with poor water quality and are therefore very tolerant of poor conditions.