How Many Electric Blue Acara Can You Keep in a 75 Gallon Tank?

Taking the plunge into the world of aquascaping? You may be wondering about stocking options for larger tanks like a 75-gallon aquarium. Well, we’ve got you covered! In this comprehensive article, we will unravel the mysteries behind keeping the beautiful Electric Blue Acara (Andinoacara pulcher) and explore answers to some common questions surrounding these fascinating creatures. So, buckle up as we dive deep into the world of these stunning fish.

Are you looking for the straight goods on how many Electric Blue Acara you can keep in a 75-gallon tank? You can comfortably house around 6-8 of them, giving them plenty of room to flourish, swim, and establish their territories.

With a minimum of 20 sub-headings, you’re in for a treat! From understanding the Electric Blue Acara’s basic requirements to navigating their mysterious behavior, this article has got it all. So, let’s get started, shall we?

Electric Blue Acara 101

Origin and Natural Habitat

Electric Blue Acara, a color morph of the Blue Acara, hail from the slow-moving rivers and tributaries of Central and South America. They are a popular aquarium species due to their unique coloring and relatively peaceful demeanor.

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Size and Appearance

These fish usually grow to about 6-7 inches in length. Males boast a vibrant iridescent blue color, whereas females tend to have subtler colors with less pronounced blue hues.


Electric Blue Acaras have a lifespan of 8-10 years, provided they receive proper care, a balanced diet, and a well-maintained environment.

Setting Up a Suitable Tank for Electric Blue Acara

Tank Size and Requirements

A 75-gallon tank offers ample space for a small group of Electric Blue Acaras. Ensure that the tank provides hiding spots like caves and driftwood, as well as open areas for swimming.


A mix of sand and gravel is an ideal substrate for these fish, as it offers both comfortable digging opportunities and a natural look.

Plants and Decorations

Introduce live plants like Java fern, Anubias, or Vallisneria, along with rocks or driftwood to create a breathtaking, natural-looking environment. If you’re unsure about introducing live plants in your tank, you can always refer to can you put plants in an uncycled tank for more information.

Water Parameters and Tank Maintenance


Keep the tank water temperature between 72-82°F (22-28°C), which closely mimics their natural habitat.

pH and Hardness

Electric Blue Acaras require a pH level between 6.5 and 7.5 and will thrive in soft to moderately hard water.

Filtration and Aeration

A high-quality filter and an appropriately-sized air pump will help maintain stable water conditions.

Cleaning and Water Changes

Perform partial water changes weekly or bi-weekly, ensuring that the tank remains clean and the water quality is high.

Feeding Your Electric Blue Acara


Electric Blue Acaras are omnivores, so provide them with a varied diet of high-quality pellets, flakes, frozen or live food like brine shrimp, bloodworms, and daphnia.

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Feeding Schedule

Feed your Electric Blue Acaras 2-3 times a day, providing only as much as they can consume within a few minutes.

Compatibility with Other Fish

Suitable Tank Mates

Electric Blue Acaras are generally peaceful, making them compatible with other non-aggressive fish like tetras, barbs, gouramis, and catfish. You can find more information on compatibility in articles like how many tetras in a 55-gallon tank.

Fish to Avoid

Avoid housing your Electric Blue Acaras with aggressive or territorial species that might stress or harass them.

Breeding Electric Blue Acaras in Your Aquarium

Signs of Mating Behavior

Electric Blue Acaras develop distinct breeding colors, especially males, displaying increased territorial behavior.


Pairs will clean a flat surface, usually a rock or a piece of driftwood, and lay their eggs there. They are extremely protective of their eggs and fry, exhibiting parental care.

Final Thoughts

Potential Challenges

While Electric Blue Acaras are relatively easy to maintain, make sure to keep an eye on water parameters and compatibility with other fish.

Benefits of Keeping Electric Blue Acara

These intriguing fish not only uplift your tank’s aesthetics but also bring a calming presence and a unique dimension to your aquatic haven.


  • Q: How big do Electric Blue Acaras get?
    A: They usually grow to about 6-7 inches in length.
  • Q: How many Electric Blue Acaras can you keep together?
    A: In a 75-gallon tank, you can house around 6-8 Electric Blue Acaras comfortably.
  • Q: What do Electric Blue Acaras eat?
    A: They eat a varied diet including high-quality pellets, flakes, and frozen or live food.
  • Q: Are Electric Blue Acaras aggressive?
    A: Generally, they are peaceful fish, displaying a calm temperament.
  • Q: How long do Electric Blue Acaras live?
    A: With proper care, they can live up to 8-10 years.
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In conclusion, Electric Blue Acaras are a perfect addition to a larger, peaceful aquarium, and with the right care and environment, they are bound to flourish. They are a true testament that the best things in life come in blue!

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