Top 6 Fish Species That Can Live With Plecos

Top Fish Species That Can Live With Plecos

Exotic Aquarium FishPlecos


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Finding the right fish friends for your pleco can be tricky. Did you know that not all fish species get along with plecos? This blog will guide you through choosing compatible tank mates to keep both your plecos and other fish happy.

Get ready for a smooth tank community setup!

What Fish Can Live With Plecos?

Consider water parameters, space requirements, and dietary compatibility before choosing tank mates for your plecos. Ensure the fish you select can peacefully coexist with plecos in your aquarium.

Factors to consider before choosing tank mates

Choosing the right tank mates for your pleco involves careful consideration. You want to ensure a peaceful and healthy environment for all your aquarium fish. Here’s what you need to think about:

  • Water Parameters: Plecos thrive in specific water conditions. Check that potential tank mates can live happily in the same temperature, pH, and hardness levels.
  • Space Requirements: Ensure your aquarium has enough room for all fish to swim freely. Plecos and their friends need space to explore without crowding each other.
  • Dietary Compatibility: Your chosen fish should have similar dietary needs. This way, feeding times become less of a hassle and everyone gets the nutrition they require.
  • Temperament and Size: Select fish with a peaceful nature that can coexist without stress. Both plecos and their tank mates should be of compatible sizes to avoid bullying or predatory behavior.
  • Predatory Behavior Awareness: Larger predatory fish could see smaller plecos as food. Pick tank mates that won’t threaten your pleco’s safety.

Water parameters

Plecos need the right water conditions to stay healthy. This includes the temperature, pH levels, and hardness of the water. They do well in a range of conditions but prefer warm water around 74-80 degrees Fahrenheit.

The pH should be between 6.5 and 7.5, and the water should not be too hard or too soft. It’s vital to check ammonia and nitrate levels regularly because high amounts can harm plecos and their tank mates.

All fish living with plecos must enjoy similar aquatic environments. This helps all your aquarium inhabitants thrive together without stress from unsuitable water chemistry. Make sure you have a good filter system to keep the tank clean for everyone inside it.

Next, we’ll talk about how much space these fish need to live happily together.

Space requirements

Plecos need a lot of room to move and grow. They can share a tank with suitable companions as long as each fish has enough space. A bigger aquarium is better, especially if you plan to have more than one Pleco species living together.

This ensures all fish are comfortable and stress-free.

To keep the aquarium peaceful, match Plecos with fish that enjoy similar water conditions. Next, let’s look at dietary compatibility among tank mates.

Dietary compatibility

Plecos thrive on a diet of algae, but they also appreciate occasional servings of vegetables and sinking pellets. Tank mates should be peaceful fish that won’t compete for the same food or display aggressive behavior.

This ensures that Plecos can feed without stress in the aquatic environment.

When selecting tank mates for Plecos with dietary compatibility in mind, it is crucial to prioritize peaceful fish that will not pose a threat during feeding times. Now let’s explore the best tank mates for Plecos!

Best Tank Mates for Plecos

aside from gouramis, there a lot of fish species that can live with plecos when one asked "What Fish Can Live With Plecos"

Plecos thrive with tank mates like Neon Tetra, Corydoras Catfish, Dwarf Gourami, and more. Discover the perfect companions for your plecos in our complete guide!

Neon Tetra

Neon tetras have vibrant neon red and blue bodies. They are peaceful and make excellent tank mates for plecos in a community tank. These small, lively fish are compatible with various freshwater species including shrimp, other tetra varieties, and of course, plecos.

Corydoras Catfish

Corydoras catfish are excellent tank mates for plecos. They are peaceful bottom feeders, making them ideal companions in a community tank. These catfish can live harmoniously with plecos in a minimum 20-gallon aquarium due to their gentle nature and non-aggressive behavior.

Both species share similar requirements when it comes to water parameters and space, creating a suitable environment for them to coexist peacefully. Large tanks allow bristlenose plecos to thrive alongside cory catfish, as these playful and active fish require ample room to explore.

Continuing on, the next section will discuss “Dwarf Gourami” as potential tank mates for plecos.

Dwarf Gourami

Dwarf Gourami, peaceful and friendly tank mates, are a suitable addition to a Pleco community tank. They grow to about 3 inches, making them an ideal size for most aquariums. These nonaggressive fish can coexist with plecos and other compatible species such as Neon Tetras, Angelfish, and Siamese Algae Eaters in the same environment without causing trouble.

Another potential advantage of Dwarf Gourami is their compatibility with other peaceful fish species like Panda Corydoras and Kuhli Loaches. Their amiable temperament makes them well-suited for forming a harmonious community within the aquarium alongside Plecos and other nonaggressive companions like Cherry Barbs or Mollies.


Angelfish are suitable tank mates for Plecos when they’re young, but may become less compatible as they mature. Some appropriate companions for angelfish include larger tetras, rasboras, gouramis, peaceful barbs, rainbowfish, corydoras, and other medium-sized catfish.

Pictus catfish and bristlenose Plecostomus are among the best tank mates for angelfish, especially as bottom dwellers.

When considering Angelfish as tank mates for Plecos in an aquarium environment it’s important to understand their compatibility at different stages of maturity and consider suitable companions that can coexist harmoniously.

Harlequin Rasboras

Harlequin Rasboras are suitable tank companions for Plecos due to their peaceful nature and compatibility with similar environmental needs. These small and nonaggressive fish, native to Singapore, Malaysia, Sumatra, and southern Thailand, make excellent additions to a community tank.

Their small size and similar temperaments also make them suitable tank mates for fish species like neon tetras and cardinal tetras. Despite being semi-aggressive, rainbow sharks are considered compatible with Harlequin Rasboras.

These peaceful rasboras require specific tank conditions to thrive harmoniously with other fish species. When considering suitable tank companions for Plecos, the compatibility of Harlequin Rasboras should be a top consideration due to their peaceful nature and shared environmental requirements.

Zebra Danios

Zebra Danios are lively and peaceful fish that make excellent tank mates for Plecos. They thrive in similar water parameters, making them adaptable to most aquarium setups. Their small size and non-aggressive nature also contribute to their compatibility with Plecos, creating a harmonious community tank environment.

Zebra Danios’ popularity as tank mates for Plecos stems from their ability to peacefully coexist while adding activity and vibrancy to the aquarium.

Moving on to “Cherry Barbs,” these colorful fish add an energetic presence to the aquarium while being compatible with Plecos due to their peaceful nature and similar water parameter requirements.

Cherry Barbs

Cherry barbs are peaceful and suitable for freshwater aquariums. They can live harmoniously with similarly sized, peaceful fish such as tetras, danios, cory catfish, and plecos. Their vibrant colors and schooling nature make them a popular choice among aquarium enthusiasts.

Cherry barbs are hardy fish that are resistant to diseases, making them an excellent addition to community-friendly tanks.

When considering tank mates for cherry barbs, it is important to choose species like tetras, dwarf cichlids, and peaceful catfish like plecos to ensure a harmonious environment in the aquarium.

Siamese Algae Eater

Siamese Algae Eater, a peaceful freshwater fish from the Cyprinidae family, is known for effectively controlling algae in aquariums. They are compatible tank mates for Plecos, but can become territorial as they mature, especially with similar-looking species.

It’s important to keep an eye on their behavior to avoid any potential aggression in the community tank.

Consider adding Siamese Algae Eaters if you’re looking for a freshwater creature that supports algae control and can peacefully coexist with other fish species like Neon Tetras, Corydoras Catfish, Dwarf Gouramis, Angelfish, Harlequin Rasboras, Zebra Danios, Guppies or Mollies.


Guppies are one of the best tank mates for Plecos in a freshwater aquarium. These colorful and active fish are peaceful and coexist well with bottom-dwelling species like Plecos. Guppies add vibrancy to the tank, creating an aesthetically pleasing environment.

Their small size and non-aggressive nature make them ideal companions for Plecos, along with their ability to thrive in communal settings.

These small schooling fish contribute to a dynamic ecosystem within the tank, providing activity and visual interest. With their compatibility in water parameters and peaceful demeanor, guppies enhance the overall harmony of a community tank that includes Plecos.


When considering compatible tank mates for Plecos, Mollies are an excellent choice. These livebearer fish thrive in small groups and are known for their peaceful nature, making them a great addition to a community aquarium.

Mollies coexist well with Plecos, as they do not bother or show aggression towards them. Moreover, Mollies contribute to the well-being of the tank environment by grazing on algae and driftwood, providing natural maintenance that benefits both themselves and other aquatic inhabitants.

Mollies’ compatibility with Plecos stems from their peaceful nature and preference for living in small groups. Their ability to graze on algae and driftwood makes them valuable additions to the tank environment without causing any disturbances amongst other aquatic habitat members.

Common Challenges in a Pleco Community Tank

plecos living at the bottom part of the aquarium

Addressing potential aggression among tank mates is crucial for a harmonious environment. Managing feeding and ensuring that the dietary needs of all fish are met can be challenging in a community tank.

Addressing potential aggression

Plecos can display territorial behavior, especially when they feel crowded in the tank. This aggression often arises due to competition for hiding spots and food. To manage potential aggression, ensure there are plenty of hiding places in the aquarium to create territories and reduce confrontations.

Aggression among plecos can also be triggered during breeding periods or if there is a lack of suitable mates. Providing adequate space and maintaining a balanced ratio of male to female plecos can help prevent aggressive encounters.

It’s important to monitor the tank dynamics closely, as any signs of aggression may lead to stress and injury among the tank inhabitants.

Managing feeding and diet

To maintain a healthy pleco community tank, it’s crucial to focus on managing feeding and diet. Ensure a balanced diet for your plecos by providing algae wafers, vegetables, and sinking pellets.

Incorporate variety into their meals with occasional treats of insect larvae or small crustaceans to mimic their natural omnivorous diet.

Captive plecos also need a diverse diet because they’re not solely reliant on algae as in the wild. Supplementing their intake with plant-based foods and protein sources is essential as they are scavengers by nature.


In conclusion, choosing the right tank mates for plecos is crucial. Consider factors like water parameters, space requirements, and dietary compatibility. Neon Tetras, Corydoras Catfish, Dwarf Gourami, Angelfish, and other compatible species can create a harmonious aquarium environment with plecos.

Research each potential tank mate to ensure they are suitable for coexisting with your plecos. Remember to consider size, behavior, and compatibility before adding new fish to your aquarium alongside your plecos.


I can help with that! Here are the FAQs for “What Fish Species Are Compatible With Plecos In Your Aquarium?” in American English Language:

1. What fish species can live with plecos in my aquarium?

Commonly compatible fish species include peaceful community fish like tetras, gouramis, and corydoras.

2. Can I keep aggressive or territorial fish with plecos?

It’s best to avoid aggressive or territorial fish as tank mates for plecos to prevent conflicts and stress.

3. Do plecos get along well with other bottom-dwelling fish?

Yes, plecos generally coexist peacefully with other bottom-dwelling fish such as loaches and catfish.

4. How many plecos can I keep in a single aquarium?

It is recommended to have one pleco per aquarium due to their territorial nature and space requirements.

5. Are there any specific water parameters needed for keeping compatible fish species with plecos?

Maintaining stable water conditions within the ideal temperature range of 72-82°F (22-28°C) and neutral pH levels is beneficial for both plecos and their compatible tank mates.