Aquarium Guide

A Guide to the Best Algae-Eaters for Your Aquarium​​

One of the most tiring aspects of fishkeeping that can have disastrous results for the pet plants and animals living inside an aquarium is algae bloom. No matter how hard you try to get rid of them by using various techniques, they seem to resurface back again. However, even if the old tricks and modern medication fail, one thing that you can rely on for getting rid of algae is algae-eaters.


Yes, there are species that you can host in your tank that not only will beautify the tank and keep you charmed with their behavior but will also help clear off the algae population by devouring them. So, what are you waiting for? Fisharoma provides the care guide of some of the most popular algae-eaters for your aquarium. So, let us help you get acquainted with them.


Best Algae-Eaters

Get to know about the following algae-eaters that you can host in your tank.  With them in your tank, you can rest assured that there won’t be any algae bloom.


Ghost Shrimp


How fitting is that this shrimp is named Ghost Shrimp when it actually eats up the algae in your tank just like a ghost. Having a transparent body, they can live in small, medium, as well as large tanks. They specialize in eating Hair Algae, which can be quite a nuisance in your tank.


However, you have to keep them with small, non-aggressive fish only since they can be consumed by the large, aggressive ones. In addition, you have to make sure there are a lot of hiding spots in your tank. It is also advised to keep them in groups.


Otocinclus Catfish


Don’t go by their miniature size because they eat up algae like they were born to do it. Growing up to a length of 1.5” (3.8 cm), they are an expert in eating Green and Brown Algae. However, it should be noted that algae alone can’t suffice their hunger since they have a large appetite. Try feeding these beauties Zucchini from time to time.


As they are schooling fish, you have to keep them in groups of five. Not to mention, they can be a great addition to a community tank.


Mystery Apple Snail


Apart from contributing to the aesthetics of your aquarium with their bright yellow shell, this pet species clears off your tank by making sure each and every corner of it is algae-free.


Mystery Apple Snails grow to a size of baseball and on occasions, they can be seen in red, brown, and purple color. Owing to their size, you would need a large tank for them. The only concern with this species is that you need to feed them well; else they can eat of live plants. Thinking they can survive on algae alone is actually a wrong notion.


Emerald Crab


Ideal for reef tanks, an Emerald Crab is what you need if your tank is infected by Bubble Algae. They are generally peaceful in nature and very easy to take care of.


However, in absence of food, they do display aggressive tendencies. They can live in a wide range of temperature. As long as you provide enough hiding spots, they won’t demand much from your end.


Nerite Snail


One of most popular pet snails – Nerite Snail – is also one of the most efficient algae-eater out there. Whether it’s Green Beard Algae or Green Spot Algae, Nerite Snails will take care of everything to make sure your tank is free from an algae infestation.


Since they are a bottom-dwelling species, they make it their job to keep the substrate clean as well. You just have to be cautious of them escaping the tank, especially if you are not using a firm tank lid. Make sure to keep the pH level of the tank seven, which will ensure the hard crunch of their shell.


Siamese Algae Eater


Well, no list of algae-eating pet species can be complete without the mention of Siamese Algae Eater, as evident by their name. An interesting aspect with this species is that they mostly stay hungry, which is great for tanks where there is an overabundance of algae.


In addition, they also help to eliminate flatworms and any leftover food by your fish by consuming them. They are compatible with various aquatic plants as well since they don’t nip their leaves. However, since they are always hungry, you need to feed them additional food, especially in absence of algae.


So, pick the algae eater that you think will serve you well. Remember, these are just few of the many pet algae eaters in the world. Whatever species you choose among them, keep in mind their compatibility, dietary plan, and tank requirements to make sure they grow healthily. After all, you just can’t expect them to take care of your tank if you yourself don’t take care of their health.



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This ultimate guide to fishkeeping explains everything you need to know about keeping fish for beginners. Starting with how to set up your tank, what water temperature you need to keep your fish in, whether they be tropical or coldwater fish and how to clean and maintain your fish tank.​