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Algae Eater

Introduction to Algae Eater

The Algae Eater has a special status among aquarium hobbyists. It is one of the most popular and widely used species for aquariums. From hobbyists to scientists, the Algae Eater is highly appreciated and has been used to clear up excessive algal growth in aquariums since the 1930s. It is an impressively resilient fish and an excellent companion to larger aquariums.

The Algae Eater is not just an interesting fish to look at; it is also a highly efficient and useful fish to help keep your aquarium clean and healthy. They are able to actively seek out and consume algae that can quickly build up in aquariums and can pose a threat to the health of the fish and other living creatures in the tank.

There are a few different types of Algae Eater available, and it is important to know which one is best for your aquarium. They come in different shapes, sizes and colors, but all of them are able to do the job. They all have the same job to do, but some are more suited to certain aquarium types than others, making the job of the hobbyist much easier.

Appearance, Diet and Behavior of Algae Eaters

The Algae Eater is a small, scaleless fish that grows to a maximum of a few inches, although some species will get larger. The body shape and fins are similar to most other aquarium fish, with a small head and pointed nose. The eyes are large and the body coloration can vary depending on the species, with some having red, silver or brown shades over the back, and some having spots or pattern-like designs. They usually have four barbels around their mouth that they use to locate food and keep them orientated.

The diet of the Algae Eater is mostly based on algae, planktons and small insects. It is an omnivore, meaning it will eat both animal and plant-based proteins. They may also eat some of the other inhabitants of the tank, so make sure you keep an eye on them.

In terms of behavior, the fish is quite peaceful and quite friendly. It will not bother the other fish in the tank and will generally keep itself to itself. It is an active fish and will often swim around on the surface of the water, sometimes venturing into the middle levels too. It is a schooling fish, and it does better when there is a number of them in the aquarium.

Common Types of Algae Eaters

The most common type of Algae Eater is the Chinese Algae Eater. This fish is found in warm waters, mostly in Asia and is widely available in the aquarium trade. It is a hardy and relatively easy fish to keep, and its size allows it to be kept in tanks of all sizes.

The Plecostomus, or “pleco” as it is more commonly called, is another popular type of Algae Eater. It is native to South America and is recognizable by its sucker-like mouth. This type of Algae Eater needs more space to swim around, so a large tank is best for keeping it happy. They are easy to care for and are often kept in any size aquarium, but do best in larger ones given their size.

Siamese Algae Eaters are also found in the aquarium trade. They originate from Thailand and come in many different color variations. This type of Algae Eater is a top feeder, so it will need several inches of open water with floating vegetation and plenty of surface algae for it to graze on.

Finally, the bristlenose plecostomus is the smallest variety of Algae Eater available. This should be the first choice for keeping in smaller aquariums as they only reach around 4-5 inches in size. The bristlenose plecostomus has a physical feature that no other Algae Eater has – bristles on the face that look like a beard.

Algae Eater two

Tips for Proper Care of Algae Eaters

Like any other fish, Algae Eaters need the proper care to thrive. They do best in water with a pH between 7.0 and 8.4, a temperature between 74-82 degrees Fahrenheit, and a water hardness between 8-18 dH, although some species have been known to live in harder waters. It is important to keep ammonia and nitrate levels low, and the water clean. Regular water changes are advised for the health and wellbeing of the Algae Eater.

It is recommended to choose the right size of tank for your Algae Eater. Smaller tanks give the fish less space to swim and do not provide optimal conditions, while larger tanks will help keep the fish healthy and active.

Algae Eaters need to be fed a varied diet. While they primarily feed on algae, they also need some plant-based proteins in their diet. Offer them a selection of commercial or homemade foods, such as freeze-dried bloodworms, shrimp, spirulina flakes and vegetable flakes.


The Algae Eater is a useful and interesting fish that can help keep your aquarium clean and healthy. They come in a range of types, sizes and colors, and can be perfect for all kinds of aquariums. They are an impressively resilient fish and do best when given the proper conditions, so it is important to make sure that your aquarium is suitable for them before getting one.

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