Good Algae Eater for a Cichlid Tank


Cichlids have a reputation for being aggressive and territorial, difficult fish to put into a community tank. Companion fish need to be carefully chosen for temperament and an ability to defend themselves. Algae eaters have a reputation as placid, easily intimidated creatures, but are popular with aquarium owners trying to keep their maintenance time down.

Cichlids Eat Snails

  • Some snails love eating algae. Snails can do a good job of keeping aquarium glass clean and most very low maintenance. Unfortunately, cichlids will eat snails. If you have a snail infestation, a few cichlids can be an answer, but if your snails were put there with a purpose in mind, such as keeping the tank clean, they are likely to become fish food.

Catfish are Cleaners

  • Some species of catfish can live in a tank with cichlids. Both the hop lo and the pictus catfish are known to survive the experience. However, catfish tend to be bottom feeders, not glass-cleaning algae eaters. Aquarium owners buy them in the hope that they'll do some housekeeping, but end up disappointed and still scraping the glass.

Chinese Algae Eaters are Territorial

  • Chinese algae eaters will certainly devour a lot of the green film on your aquarium glass. They are also known to survive in cichlid tanks. However, when Chinese algae eaters grow to full size, they can become quite territorial and will aggressively attack any other fish that comes too close. As cichlids tend to have the same behavior, this aggression can create a situation where fish can be injured or killed.

Plecos Can Survive

  • Plecos are algae eaters. However, most plecos are problems waiting to happen in an aquarium: They grow very large and they create a lot of waste. When they get too big, plecos tend to eat less algae and start cleaning up old food or snacking on your other fish. In addition, cichlids have an unpleasant habit of eating out plecos' eyes. Unlike other plecos, the bristlenose pleco doesn't get too big, eats algae voraciously and is well armed to protect itself from attack.

Environmental Considerations

  • Size matters: Buying a larger companion fish to start with will help ensure the addition's survival. Cichlids like higher pH levels, 8 and above, so it's important to note what the additional species will tolerate. And with any territorial fish, overcrowding should be avoided to prevent battles over limited space.

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  • Photo Credit single cichlid image by Lucid_Exposure from Escargot image by Goldfish from catfish image by pearlguy from Aquarium image by crossgolfing from convict cichlid image by Lucid_Exposure from
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