/Top Five Bottom Feeder Fish For Freshwater Tanks
zebra crayfish

Top Five Bottom Feeder Fish For Freshwater Tanks

Freshwater bottom feeder fish

Looking for some wish that will not only add to the aesthetics of your tank but will also help it keep clean? Freshwater bottom feeder fish will be the best choice for your tank! These fish are great fun to watch due to their active nature. Moreover, they love to take on the housekeeping duties and contribute to keeping the aquarium tank clean.

You will often find bottom feeder fish eating away the leftover food in the tank. These fish are known for their quirky personalities and active nature. In a nutshell, they are the best fish for cleaning the tank. They dig through the substrate and make sure no waste hides away in the crevices.

There are many different types of bottom feeder fish for aquariums. These fish are readily available at almost all leading pet stores and are priced within an economical range too. We have compiled a list of the top five bottom feeder fish that do really well in freshwater tanks:

1. Crayfish:



Crayfish are also known as crawfish and crawdads. They look like small lobsters and are a great aesthetic addition to any fish tank. They come in a number of different varieties however not all of them are suitable enough to be added to an aquarium tank.

Due to their slightly aggressive nature, they are not the best choice for community tanks. But small-sized crayfish can be paired with smaller fish species whereas larger ones should be kept with fish that are larger in size.

Since it is omnivorous in nature, they can feed on anything that they come across. People often inquire do bottom feeders eat poop? Well, the crayfish surely does not. It will not only consume leftover food but will also eat away plant waste.

By nature, crayfish are a hardy bottom feeder and can be easily cared for. Their size also depends on their species. While there are some which can only grow to up to an inch, there are others that can easily reach a foot in length.

2. Siamese Algae Eater:

Siamese Algae Eater

Siamese Algae Eater is one of the most commonly available bottom feeder fish for sale. They are an extremely popular choice because of their peaceful nature. You will often find Siamese Algae Eater roaming around and actively swimming in the tank.

They are a great choice for anyone who is looking for bottom feeder fish with a betta. They are not demanding and can adapt to a versatile range of tank conditions. One can expect the Siamese Algae Eater to start swimming around in the tank as soon as it is added.

As indicated by the name, they love to feed on algae in the tank. Therefore, the owners will not be worrying about algae bloom in their tank if the Siamese Algae Eater is one of the fish. In terms of size, these fish are pretty small. They have a tendency to grow up to five to six inches in length. If cared for properly, they will easily live up to ten years.

3. Twig Catfish:

Twig Catfish

The Twig Catfish gets its name due to its appearance. The long twig shaped body is surely a sight to see in any aquarium tank. Their movements are also very attractive. They are lazy beings who mostly stay attached to the surface of the tank. When they find a reason to move, they do so in a quirky and quick movement.

Since the twig catfish devours leftover food and plant waste in the tank, one does not have to worry about bottom feeder fish food when getting a twig catfish. They are very easy to care for with the only demand being clean water.

Some twig catfish are small in size whereas there are other species that can grow to around six inches in length. Due to their smaller size, they are an excellent choice for smaller tanks. The waste buildup is very common in small-sized tanks and the twig catfish will make sure your tank remains clean and free from any waste.

4. Bristlenose Plecostomus:

Bristlenose Plecostomus

The most prominent physical feature of the Bristlenose Plecostomus is its nose. This is why this top feeder fish is also referred to as Bushy Nose fish at times. Although many people don’t find it visually appealing due to its enlarged and rounded appearance, it makes a great bottom feeder fish for ponds.

In a tank, the Bristlenose Plecostomus likes to stay aloof and mind its own business. Therefore, it can easily blend in if kept in a community tank. But one should be careful when placing it with fish that are bigger and aggressive in nature as they may harm and injure the peaceful pleco.

You will mostly find the Bristlenose Plecostomus hiding and sleeping during the day. It is nocturnal and mostly comes around during the night. It prefers a plant-based diet therefore, it will eat away decaying plant matter that is inside the tank. They can have a length of around six inches. Therefore, it can be added to both small-sized as well as larger tanks with ease.

5. Yoyo Loach:

Yoyo Loach

The Yoyo Loach is a very attractive and visually appealing fish. The pattern on their bodies appears like “Y’s” and “O’s” which is from where they get their name. Many tank owners love to add this bottom feeder fish with goldfish.

Tank owners can always find commending the personalities of the Yoyo Loaches. They are very responsive and often play with their tank owners. They do best when kept in packs. Keeping them in groups also suits their timid personalities and helps them deal with other fish that may try to bully or harm them.

Yoyo loaches can be fed anything from plants to animal-based diets. Snails are their favorite therefore they always feed on any snails that may be a part of the tank. They have a tendency to jump out of the tank therefore make sure that the tank they are kept in has a lid.

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