What Fish Clean Tanks?

What Fish Clean Tanks?

Do you own a fish tank? What fish that clean tank? 

A lot of people get a fish tank and then end up regretting it, either because they are not able to keep the tanks clean and healthy, or because the fish die quickly. So, if you are thinking of buying a fish tank and want to take the guesswork out of buying one, you’ve come to the right place.

In this article, we will tell you about which fish are good for tanks and how to clean fish tanks properly. Keep reading!

Corydoras Catfish

Corydoras catfish are peaceful, hardy fish native to South America. They make great additions to any aquarium and offer many benefits to your tank, one of which is tank cleaning/maintenance.

Corydoras catfish have several unique traits that make them ideal candidates for tank cleaning fish. Their sucker mouths allow them to suction and clean algae and detritus off hard surfaces such as rocks and wood. 


Loaches are one of the most popular fish tank cleaning and for good reason. These fish are small, hardy, and peaceful. Loach species come from various parts of the world, including Asia and parts of Europe.

Loaches need plenty of hiding places and nooks and crannies to do their duties properly. They come in various sizes, shapes, and colors, and they can be quite playful with each other. 

Bristlenose Pleco

The Bristlenose Pleco is a popular type of fish used to help keep aquariums clean. They are small fish with a unique and easily recognizable look that consists of brown to tan bodies with bristles on their snouts and fins.

They are hardy species and generally quite peaceful with other tank mates and with people. They can eat a number of food types, but their primary diet includes snacks of algae and other debris on the tank glass and walls. 


Flagfish are a small species of fish mainly used in aquariums to clean the tank. They are able to eat algae that grow on tanks and help filter the water making it cleaner and healthier.

They are hardy fish that are well suited to tanks of all kinds and sizes. They prefer to live in schools in temperatures between 60-82°F. As active swimmers, Flagfish are known for their vibrant scales, which come in many colors and patterns and are the reason for their name. 

Geophagus & Satanperca Cichlids

Geophagus amp Satanperca Cichlids are a species of fish native to South America and are known for being excellent tank cleaners. They are scavengers and will happily graze on algae, biofilm, and detritus along with their regular food.

Highly active, they can help keep tanks clean by consuming detritus and uneaten food as well as waste accumulates. Geophagus amp Satanperca Cichlids prefer an aquarium with plenty of rocks and other substrates for them to scavenge and meander about.

Rainbow Shark

Fish tanks are a great way to display colorful and interesting creatures, and one such creature is the Rainbow Shark. This is a unique fish that adds a splash of color to the tank and helps to keep things clean.

The Rainbow Sharks are bottom feeders, and they love to scavenge the sides, substrate, and decorations in the tank for leftover food. They also suck debris off the tank’s glass sides, as well as eating leftover food in the substrate.


Molly is an agile fish that can easily scurry around a tank, hiding in the crevices and cleaning up the dirt, food particles, and bacteria hidden in small areas of the tank. Molly is also known to eat bits of algae that grow on the tank walls, so algae growth can be kept to a minimum.

With its small size and gentle nature, Molly also makes for a great pet for any aquarist. Fish keepers who like to have more efficient maintenance of their tanks can count on Molly to help keep fish clean tanks sparkling clean.

Slim Bodied Goldfish

Slim bodied goldfish are small, easily kept fish that make great additions to any aquarium. They are friendly and peaceful fish that tend to school together, and they are also hardy and disease resistant.

They are an excellent choice for beginners, as they are relatively easy to care for and have few special requirements. These fish do not produce a lot of waste, so daily water changes are only necessary for heavily stocked tanks.

Amano Shrimp

Amano Shrimp are some of the most effective tank cleaners for aquariums, famed for their impressive scavenging abilities. These small, peaceful invertebrates are native to Southeast Asia but have become popular across the globe for their hard-working nature.

Although their grazing habit can minimize or even eliminate the need for cleaning tanks manually, it’s important to ensure that the tank is well-stocked with other shrimp species to promote a healthy balance of fish and invertebrates. 

Aquarium Snails

Aquarium snails are incredibly helpful when it comes to maintaining a tank. Not only do they feed on algae, uneaten food, and detritus, but they also help to keep the tank clear of dirt and debris.

They consume green spot algae, beard algae, and other forms of algae growth, which can help make a tank look cleaner and provide more oxygen in the water. They’re great cleaners and can keep a tank looking fresh and healthy.

If you’re looking for phytoplankton products to clean your tanks, click here.

Learn About What Fish Clean Tanks

So, what fish clean tanks? There are several. They are a valuable addition to any fish keeper’s tank setup. Purchasing the right type of fish cleaning tank and maintenance is key to a healthy tank. 

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