Apistogramma nijsseni 1.5″ WILD CAUGHT

Apistogramma nijsseni, commonly known as Nijssen’s Dwarf Cichlid, is a striking species of dwarf cichlid from the family Cichlidae. It is favored among aquarists for its vibrant colors and unique patterns, making it a popular choice for both beginner and experienced fish keepers.

• Size: Males typically grow to about 3-4 inches (7.5-10 cm), while females are smaller, averaging around 2-3 inches (5-7.5 cm).
• Coloration: Males display brilliant blue and yellow coloration with black markings, especially during courtship and breeding. Females are usually more muted in color, often showing a mix of yellow and brown tones, with some vertical stripes along their bodies.
• Sexual Dimorphism: Males are larger and more colorful than females, featuring longer fins and a more elongated body shape. Females have a rounder body and shorter fins.

• Geographic Origin: Apistogramma nijsseni is native to the Orinoco River Basin in Colombia and Venezuela, where it inhabits slow-moving streams and small rivers with dense vegetation.

• Behavior: This species is generally peaceful but can become territorial, particularly during breeding. Males may show aggression toward one another if kept in confined spaces.
• Tankmates: Suitable tankmates include small, peaceful fish such as tetras, rasboras, and other dwarf cichlids. Avoid larger or more aggressive species that may stress them.

• pH: 5.5–7.5 (slightly acidic to neutral water)
• Temperature: 75–82°F (24–28°C)
• Hardness: Soft to moderately hard water (up to 10 dGH)
• Water Quality: They thrive in clean, well-oxygenated water, so regular water changes are essential for maintaining water quality.

• Tank Size: A minimum tank size of 20 gallons (75 liters) is recommended for a pair or small group. Larger tanks are better for multiple males or mixed groups to provide sufficient space and territory.
• Substrate and Décor: A soft substrate like sand is ideal, allowing them to forage and dig. Provide plenty of hiding spots using caves, driftwood, and dense plants to mimic their natural habitat. Floating plants can also help provide cover.
• Water Conditions: Using Indian almond leaves or driftwood can help create a slightly acidic environment that resembles their natural blackwater habitat.

• Omnivorous: In the wild, A. nijsseni feeds on small invertebrates, plant matter, and detritus. In captivity, they thrive on a varied diet of high-quality pellets or flakes, supplemented with live or frozen foods like bloodworms, brine shrimp, daphnia, and blanched vegetables such as zucchini and spinach.

• Pairing: They can be kept in pairs, with one male and one female, or in groups with multiple females for a single male, which helps reduce aggression.
• Breeding Conditions: Breeding can be stimulated by maintaining slightly acidic water conditions (pH around 6.0-6.5) and a higher temperature of about 80-82°F (27-28°C).
• Spawning Behavior: The female will lay eggs in a hidden location, such as a cave or flat surface, and the male fertilizes them. The female takes on the primary role of guarding the eggs and fry.
• Fry Care: Eggs typically hatch within 3-4 days, and the fry become free-swimming within about a week. The female will care for the fry, and they can be fed infusoria or finely crushed flakes until they are large enough to eat small live or frozen foods.

• Territoriality: Males can be territorial, especially during breeding. Providing plenty of hiding spots helps minimize aggression. In larger tanks, multiple males can coexist if there are sufficient territories.
• Social Behavior: They are social fish that benefit from being kept in groups. However, if keeping multiple males, ensure enough space and cover to reduce aggressive interactions.

Apistogramma nijsseni is a captivating dwarf cichlid that can bring vibrant colors and fascinating behavior to a community tank or species-specific aquarium. With proper care and the right environment, they can thrive and be a delightful addition to any aquarist’s collection