Patrick's Acara - Aequidens patricki

Scientific name: Aequidens patricki

Common name: Patrick's Acara

Family: Cichlidae

Usual size in fish tanks: 10 - 13 cm (3.94 - 5.12 inch)

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Recommended pH range for the species: 6 - 6.9

Recommended water hardness (dGH): 3 - 13°N (53.57 - 232.14ppm)

0°C 32°F30°C 86°F

Recommended temperature: 21 - 25 °C (69.8 - 77°F)

The way how these fish reproduce: Spawning

Where the species comes from: South America

Temperament to its own species: peaceful

Temperament toward other fish species: aggressive to smaller

Usual place in the tank: Middle levels

Aequidens patricki Overview

Aequidens patricki, commonly known as Patrick's Acara, is a colorful cichlid species native to the river systems of South America, specifically Venezuela and the Amazonian Basins. In captivity, these fish grow to a size of 10 to 13 cm (3.94 to 5.12 inches), making them a manageable size for medium to large aquariums. They are known for their peaceful nature toward their own species but can be aggressive toward smaller tank mates. Patrick's Acara is a striking and relatively easy-to-care-for fish, suitable for experienced aquarists looking to add vibrant color and interesting behavior to their tank.

Tank Requirements

Aequidens patricki thrive in aquariums that replicate their natural habitat, which consists of slow-moving waters with plenty of vegetation and submerged branches. A minimum tank size of 150 liters (40 gallons) is recommended for a small group or pair. The tank should be aquascaped with smooth rocks, driftwood, and hardy plants such as Anubias or Java Fern, which can tolerate the soft, acidic water conditions this species requires.

Maintain water temperatures between 21-25°C (69.8-77°F) with a slightly acidic pH range of 6 to 6.9. The water hardness should be kept between 3 to 13°N (53.57 - 232.14 ppm). A reliable filtration system is essential, as these cichlids prefer clean water with minimal fluctuations in water parameters. Regular water changes (15-20% weekly) are necessary to maintain optimal water quality.

Food and Feeding

Aequidens patricki are omnivores and will accept a wide variety of foods. Their staple diet should include high-quality cichlid pellets or flakes. To promote vibrant colors and overall health, supplement their diet with live or frozen foods such as brine shrimp, bloodworms, and daphnia 2-3 times per week. It is also beneficial to offer plant-based foods, such as spirulina flakes or blanched vegetables, to ensure a well-rounded diet. Feeding small portions 2-3 times daily will help prevent overfeeding and maintain water quality.

Sexing

Sexing Aequidens patricki can be done by observing their size and finnage. Adult males tend to be slightly larger than females and develop extended dorsal and anal fins as they mature. Males may also exhibit brighter coloration during breeding periods, while females tend to be more subdued in color.

Breeding

Aequidens patricki are substrate spawners and relatively easy to breed in captivity. To encourage spawning, provide flat rocks or smooth surfaces in the aquarium for the female to deposit her eggs. Both parents will take an active role in caring for the eggs and protecting the fry. The eggs typically hatch within 2-3 days, and the fry become free-swimming after another 4-5 days. Once the fry are free-swimming, they can be fed newly hatched brine shrimp or finely crushed flake foods. It is important to maintain stable water parameters during this period, as fluctuations can negatively impact the health of the eggs and fry.

Lifespan

With proper care, Aequidens patricki can live for 6-8 years. Providing stable water conditions, a varied diet, and a stress-free environment are crucial to ensuring their longevity and overall health.

Compatibility and Tank Mates

Aequidens patricki are generally peaceful toward their own kind and can be kept in pairs or small groups. However, they can become territorial and aggressive toward smaller or more timid fish, especially during breeding. Ideal tank mates include other medium-sized cichlids, such as Blue Acaras or Angelfish, as well as robust species like Plecos and Silver Dollars that can tolerate similar water conditions. It is best to avoid housing them with overly aggressive or much smaller fish to prevent stress and potential conflict.

Short Description

Aequidens patricki, commonly known as Patrick's Acara, is a beautiful cichlid species from the river systems of South America. With its manageable size and relatively peaceful temperament, it makes an excellent addition to community tanks with similarly sized species. Patrick's Acara thrive in soft, acidic water and require a well-maintained environment to remain healthy and vibrant. Their interesting breeding behavior and vivid coloration make them a favorite among cichlid enthusiasts.

Pictures

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