17 Best Algae Eaters for Clean Aquarium (2021)

For the sake of cleaning and maintaining your aquarium, it is important for you to keep algae eaters in it.

Here we have collected exclusive details for you about the best and top 17 algae eater options for you.

It is completely and wholly normal to have them in your tank. They ensure that your tank remains healthy and also well-maintained.

Furthermore, your job will become easy as these creatures naturally control algae growth.

If you often start to see and notice that your aquarium is getting filled up with lots of algae, then go for these algae eaters. They come in the form of fish and snails.

Moreover, there are lots of other species that do eat and feed on algae.

So, let us all have a look at the details of algae-eating species:

1. Twig Catfish:

Twig Catfish

We have this twig catfish algae eater recommendation for you. You can even call it with Whiptail Catfish name, Its scientific name is Rineloricaria lanceolate.

Most importantly. if you are planning to keep this fish species, then the minimum tank size needs to be 12 gallons per pair and pH should be 6.0-8.0. You need to go for moderately soft water.

If you are going to make frequent water changes, then this twig catfish will not be able to control and prevent algae growth. This fish remains compatible with Pencil fish and Hatchets.

This specific eats and feeds on extensive kinds and types of algae. However, you need to supplement its diet and meals regularly.

2. Siamese Flying Fox:

Next, we have Siamese Flying Fox! To keep this fish, go for 20 gallons tank and the pH range has to be between 5.5-7.5. You can have Slightly Hard water.

Most noteworthy, you should avoid keeping this fish with any of the red-tailed sharks. You might be wondering why to choose and keep Siamese Flying Fox in your tank?

The reason is that it naturally and instantly eats algae right from plants and glass. This fish does eat all of the leftover flake food and vegetables as well as live food.

3. Siamese Algae Eater:

Siamese Algae Eater

How about using Siamese Algae Eater for this job! You can give it a try. Your tank size needs to be 30 gallons and the pH range falls between 6.5-7.0 for keeping this Siamese Algae Eater in your rank.

In addition, this is an ideal option for all sorts of community aquariums. If you have got a tank where you have place extensive kinds of fish like tetras, other barbs or you have kept plecos and corydoras, then do keep this Siamese Algae Eater.

Make sure that this choice is not a fussy eater. It does eat algae present and existing on plant leaves. And you should be able to feed this fish with some mixture and fusion of protein or vegetable-based food.

4. Bristlenose Plecos:

To stop algae growth in your tank, you can go for Bristlenose Plecos. It is recommended to go for 25 gallons tank if you want to keep this fish. Regarding water type, it can be Slightly Soft to Slightly Hard Water.

You are free to keep this algae eater with any fish type and species. Besides, you can have them in a wide variety and different types of colors.

5. Mollies Algae Eater:

Mollies Algae Eater

Moving to the next option, we have this Mollies Algae Eater. To keep this specie, always remember that your minimum tank size needs to be up to 20 gallons and the pH range has to be 7.5 – 8.5.

This specie is easy and simple to maintain. You can place this specie with other specie types like Swordtails, Angelfish. Or you can have Corydoras Catfish, Platies in your tank.

It is observed that a large number of Mollies eat algae with perfection. Though they are not marked and identified as algae-eating fish’, still it is seen and noticed that they eat and feed on algae present on your tank rocks and plants. 

6. Otocinclus Catfish:

It is advised by experts to keep Otocinclus Catfish algae eater in your aquarium. If you are immensely getting worried because of intense algae growth in your tank, then do keep Otocinclus Catfish in it.

The other thing that you have to make sure, your tank has to be filled up and packed with driftwood as well as plenty of leaf litter. The interesting fact about this fish is that it is marked and termed as the smallest algae eating fish.

Furthermore, it is suitable and extremely ideal for smaller aquariums. 

7. Malaysian Trumpet Snail Algae Eater:

Malaysian Trumpet Snail Algae Eater

Beyond, we have this Malaysian Trumpet Snail Algae Eater. This is easy to care for and simple to maintain algae eater species. You can keep it in your tank if there are already Peaceful community fish living.

Though they feed on algae and help a lot in preventing and controlling their growth, they are quick and fast in terms of reproduction. For the reason that lots of aquarists avoid to keep them in their tanks.

8. Ramshorn Snail Algae Eater:

You can even go with the choice of Ramshorn Snail Algae Eater. The minimum tank size is up to 5 gallons.

While keeping this algae eater, you have to keep on double-checking and verifying that your tank does not get overpopulated with this species.

If there will be too many Ramshorn Snails in your tank, then we are afraid to fish will eat them. All in all, these Ramshorn Snails are great at eating algae.

9. Nerite Snail Algae Eater:

Nerite Snail Algae Eater

For more recommendations on algae eaters, you can have this Nerite Snail Algae Eater. It is compatible with most community fish. But you need to avoid keeping loaches, cichlids, and also crayfish and goldfish.

Furthermore, they are marked as one of the proven and tested algae eaters. They come in varied shapes and sizes. They breed slowly and tend to live at the bottom section of the tank. They are ideal to be used for cleaning substrate.

10. Mystery Snail Algae Eater:

Some like to go for Mystery Snail Algae Eater. If you do not want to see and experience algae growth in your tank or the aquarium, then you are free to keep this option in it.

Most importantly, try to keep this snail with the rest of the peaceful and non-aggressive tank mates. Like, in your tank, you can have Tetras, Guppies, and Killifish.

They feed on algae and performing this growth prevention job in the blink of an eye. You can try this! A large number of people have kept mystery snails in their tanks and they have shown maximum satisfaction.

11. Amano Shrimp Algae Eater:

Amano Shrimp Algae Eater

It is witnessed that Amano Shrimp helps you a lot in preventing and naturally controlling the growth of algae. If your tank is injected with non-aggressive and small in size mates, then go with this shrimp option.

With this shrimp, you should avoid keeping and placing goldfish and cichlids. Hence, this is by far the best and highly recommended algae eating shrimp.

They tend to thrive in the form of groups of 3 or more. What have you decided now? If you are currently facing this problem of algae growth in your aquariums, then keep this Aman12.

Shrimp. We hope that your worry will cease and you will no longer see algae in your tank.

12. Cherry Shrimp Algae Eater:

For this Cherry Shrimp Algae Eater, go for a tank that is filled up with 2 gallons. And the pH range can be 6.5 – 8.0. Moreover, you can keep this fish with Neon Tetra and Otocinclus Catfish, and also Dwarf Rasbora.

Do not keep large fish in your tank if you are keeping Cherry Shrimp Algae Eater. They are a great alternative and option for cleaning algae presence in your tank.

13. Ghost Shrimp Algae Eater:

Ghost Shrimp Algae Eater

How about having this Ghost Shrimp Algae Eater! Regarding the requirements of keeping this algae eater, your minimum tank size has to be 5 gallons.

Water and pH should be falling between 6.5 – 8.0. Prefer keeping less aggressive fish in your tank if you are opting for this algae eater.

It is seen that this option does not work that much greatly like we have these Cherry or Amano Shrimp algae eaters. But still, you can utilize and avail them. They can eat and feed on hair algae.

14. Corydoras Catfish Algae Eater:

Next is this Corydoras Catfish Algae Eater. They are called a great algae eater. You need to keep them in your tank if you are extremely worried about this excessive algae growth.

Moreover, this catfish live and reside at the very bottom section of your tank. They grow up to an average size range of 2-3 inches.

It is recommended to go for a slightly bigger tank if you want to keep this catfish in the form of an algae eater. Lastly, keep them in groups, as they are very social and perform their job of algae-eating with much ease and smoothness.

15. Guppies:


Guppies are a great and appropriate option in terms of algae eating. But they do not solely and exclusively live off algae. They can help you satisfactorily to clean and get rid of algae growth from your tank.

You should give them other foods as well for their survival. In other words, apart from the fact that they are eating and feeding on algae. You should regularly give them other nutrients for their living.

If you have ever kept guppies, then we are sure that you must have noticed how well they eat and also feed on algae. They do this task with extreme and ease and that is the beauty of guppies.

16. Rabbit Snail Algae Eater:

On the second last spot, we have Rabbit Snail Algae Eater. Utilizing this snail is a simple and ready-made solution to keep your aquarium algae-free.

Have this Rabbit Snail Algae Eater in your and pen down to us your feedback. Most noteworthy, they feed on all kinds and types of algae that are present and living in your tank.

One thing that you should always remain careful of! If they could not find any algae in your tank, then they will start to eat the live plants in your tank. In addition, your tank can be 10 gallons.

Lastly, prefer keeping rabbit snails in their tanks because they are not at all fast breeders. 

17. Plecostomus Algae Eater:

Plecostomus Algae Eater

The last recommendation is about Plecostomus Algae Eater. For them, eating algae is like a meaty diet. These species love to feed on algae. It is their plant-based diet that they usually crave for you.

Besides, they are amazing algae eater options for you. You will always and frequently notice them removing algae from your aquarium. Apart from feeding on algae, then live on and eat the rest of the plant waste as well.

And if you are planning to keep individual pleco species, then make sure that they need and demand different pH levels as well as different temperatures.

Rest, you are free to keep the pH between the scale of 6.5 – 7.5. And the temperature has to be between 72-84°F.


This is all about the top 17 algae eater options for you. Now, if you were worried regarding lots of algae present in your tank, then we hope that these species may have solved your problem.

Moreover, if you know about some other solutions for preventing the growth of algae in your aquarium, then you can share that with us.

You never know your pen down solutions might be liked by your fellow readers. Keep connected with us, more details are arriving that are going to enlighten and educate you more and more.

Let us all enter into this aquatic world and see how can we make it better, improved, and healthier.

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