Cockatoo Dwarf Cichlid (Apistogramma Cacatuoides)

Cockatoo Dwarf Cichlid — The King of the Aquarium Floor

Bold, charismatic, and strikingly beautiful, the Cockatoo Dwarf Cichlid (Apistogramma cacatuoides) is one of the most popular and personality-packed dwarf cichlids in the freshwater hobby. Named for the male’s spectacular erect dorsal fin — which fans out like a cockatoo’s crest — this fish is a true showstopper that commands attention in any aquarium it inhabits.

Males display a dazzling combination of orange, red, and blue markings with bold black patterning, and they carry themselves with a confident swagger that makes them endlessly entertaining to watch. Females, though smaller and more subtly coloured, transform into fierce golden guardians when protecting their eggs — one of the most captivating parental behaviours in the hobby.

Care at a Glance

• Common Name: Cockatoo Dwarf Cichlid, Crested Dwarf Cichlid
• Scientific Name: Apistogramma cacatuoides
• Origin: Amazon basin, Peru & Colombia (slow-moving, heavily vegetated waters)
• Adult Size: Males up to 3.5 inches (9 cm); females smaller at ~2 inches (5 cm)
• pH: 6.0 – 7.5 (more adaptable than many Apistogramma species)
• Temperature: 24 – 29°C (75 – 84°F)
• Temperament: Peaceful toward other species; males territorial with each other
• Difficulty: Moderate — one of the most beginner-friendly Apistogramma species

Tank & Setup Tips

A. cacatuoides thrive in a well-planted aquarium of at least 30 gallons, with a soft sand substrate that allows their natural digging behaviour. Provide plenty of caves (coconut shells, ceramic caves, driftwood hollows) and dense planting to create territories and safe spawning sites for females.

They are notably more tolerant of a wider pH range than other Apistogramma species, making them an excellent entry point into the genus. Indian almond leaves and driftwood add beneficial tannins and help replicate their natural Amazonian environment. A harem setup of one male with two or more females works best.

Feeding

Carnivorous and eager feeders. Accept high-quality micro pellets and frozen or live foods: baby brine shrimp, bloodworms, daphnia, and micro worms. A varied, protein-rich diet enhances their vivid colouration and promotes breeding condition. Feed small amounts 2–3 times daily.

Compatible Tank Mates

Peaceful toward upper and mid-water community fish. Ideal tank mates include small tetras (cardinal, ember, rummy nose), corydoras, small rasboras, and pencilfish. Avoid housing with other bottom-dwelling cichlids that may compete for territory, and never keep two males together in smaller tanks.

Breeding

Cave spawners — females select a cave, deposit eggs, and become intensely protective, turning bright yellow as a warning to intruders. The female exclusively guards and tends the eggs and fry while the male defends the broader territory. Fry are free-swimming within 7–10 days and readily accept baby brine shrimp.

📸 Photos are for reference only. Actual fish may vary slightly in colour and pattern — each one is uniquely beautiful!