Can Electric Blue Acara and Guppies Thrive Together in Your Aquarium?

Aquarium enthusiasts are always looking for eye-catching and unique combinations of fish to spice up their tanks. When considering options, the pairing of the Electric Blue Acara and Guppies is bound to come to mind. So, can these colorful and stunning species thrive together in the same tank?

The straightforward answer is yes, they can coexist under specific circumstances. However, there are some essential factors to bear in mind to make this combination work, such as tank size, water parameters, and the compatibility of the two species. This article dives into the details on how to ensure a harmonious tank environment for both the Electric Blue Acara and Guppies.

Fasten your seatbelts, because we are diving deep into this exciting world of aquarium management, where you will learn the ins and outs of successfully raising both Electric Blue Acara and Guppies together.

Introduce the Electric Blue Acara

Origins and characteristics

The Electric Blue Acara (Andinoacara pulcher) is a striking cichlid native to South America. Known for their vibrant blue coloration, these medium-sized fish can grow up to 5 inches in length, making them a perfect centerpiece for many aquariums. Their gentle nature sets them apart from other cichlid species and makes them popular among aquarium hobbyists.

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Taking care of the Electric Blue Acara

To provide a comfortable environment for your Electric Blue Acara, you need to ensure that their specific needs are met:

  • A tank with a capacity of at least 30 gallons, and 75 gallons for multiple fish
  • Water temperature between 72°F and 82°F
  • Stable pH values of 6.5-7.5
  • Regular water changes and effective filtration
  • Plenty of hiding spots using rocks, driftwood, and live plants

Introduce the Guppies

Origin and characteristics

Guppies (Poecilia reticulata) are small, colorful fish originating from South America that have been popular in aquarium hobby since the 19th century. Known for their vibrant patterns and variety of tail shapes, Guppies add a splash of color to any tank. Males are typically more vibrant and smaller in size, growing up to 1.5 inches, while females grow up to 2.5 inches.

Taking care of Guppies

Guppies are relatively easy to maintain and require the following conditions to thrive:

  • A tank with a minimum of 5 gallons
  • Water temperature ranging between 74°F and 82°F
  • Stable pH around 7.0 to 7.6
  • Clean water and efficient filtration
  • Varied diet, including high-quality flakes or pellets, along with occasional live or frozen foods

Making It Work: A Harmonious Aquarium

Compatibility between Electric Blue Acara and Guppies

While both species can coexist, special attention should be given to ensure compatibility. Follow these tips to create a harmonious environment for both Electric Blue Acara and Guppies:

  • Maintain ample swimming space by using a tank with a minimum capacity of 40 gallons for a pair of Acaras and a small group of Guppies
  • Ensure hiding spots and plant cover, allowing Guppies to escape if the Acara becomes territorial or aggressive
  • Keep a peaceful environment, avoiding overly aggressive or fin-nipping tankmates
  • Provide a balanced and varied diet to meet both the Electric Blue Acara and Guppies’ nutritional needs
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Final Advice: Stay Vigilant

Even though Electric Blue Acaras and Guppies are generally considered compatible tankmates, individual fish can exhibit unique behavior. Stay alert and be prepared to separate incompatible fish to prevent injury or excessive stress.

Frequently Asked Questions

  • Can Electric Blue Acara live in a 20-gallon tank?
  • How many Guppies can coexist with Electric Blue Acara?
    • Maintaining a small group of 5-6 Guppies with one or two Acaras in a 40-gallon tank is a manageable combination.
  • Do Electric Blue Acara and Guppies have similar water parameter requirements?
    • Yes, both species have fairly similar water temperature and pH requirements, making it easy to maintain a suitable environment for both.
  • What other fish can live with these species?
    • Peaceful and small to medium-sized fish like Corydoras, tetras, and mollies make good tankmates; avoid known fin-nippers and aggressive fish.
  • How to prevent aggression between Electric Blue Acara and Guppies?
    • Ensure plenty of hiding spots and plant cover for Guppies to escape, and maintain enough swimming space for both species.


While it is possible to keep Electric Blue Acara and Guppies together, be mindful of their individual requirements and monitor their behavior. By providing adequate tank space, stable water parameters, and a balanced diet, you can create a harmonious space for these beautiful fish to thrive together.

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