Cockatoo Cichlid (Apistogramma cacatuoides) in aquarium
🌿 Freshwater · Amazonas|Neotropical|Cuenca del río Amazonas

Cockatoo Cichlid

Apistogramma cacatuoides — Cichlidae
🏠 Origin: Amazonas|Neotropical|Cuenca del río Amazonas
📏 Size: Males 8–9 cm; females 5–6 cm
Lifespan: 3–5 years
Care level: Intermediate

Overview

The Cockatoo Cichlid (Apistogramma cacatuoides) is a freshwater fish belonging to the family Cichlidae. It thrives at temperatures of 24–28 °C with a pH of 6.0–7.5, and requires a minimum tank volume of 80 litres. Known for its males territorial toward rivals; peaceful with other species, it is considered a intermediate-level species. Best kept as a harem (one male, 2–3 females) with one cave territory per female. Water changes of 25–30 % weekly, stable parameters, and appropriate tank mates are key to long-term success with this species.

Quick fact: Apistogramma cacatuoides belongs to the family Cichlidae. Care level: intermediate.

Scientific Classification

RankClassification
FamilyCichlidae
GenusApistogramma
SpeciesApistogramma cacatuoides
Water typefreshwater
Native rangeAmazonas|Neotropical|Cuenca del río Amazonas

Natural Habitat

Apistogramma cacatuoides originates from Amazonas|Neotropical|Cuenca del río Amazonas. It inhabits freshwater environments and is adapted to the water conditions found in its native range.

Appearance

Adults reach Males 8–9 cm; females 5–6 cm in length. The body is freshwater and the species displays characteristic coloration suited to its environment.

Behavior

This species is described as a males territorial toward rivals; peaceful with other species. It does not school and can be kept individually or in small numbers. Activity level is low. Best kept as a harem (one male, 2–3 females) with one cave territory per female.

TraitValue
Temperamentmales territorial toward rivals; peaceful with other species
SchoolingNo
Activity levellow
Important: Best kept as a harem (one male, 2–3 females) with one cave territory per female.

Water Requirements

ParameterIdeal RangeNotes
Temperature2428°C (7582°F)Use a reliable adjustable heater
pH67.5Avoid sudden swings
Hardness (GH)2–12 dGH dGHSoft to moderately hard
Ammonia0 ppmAny detectable ammonia signals a problem
Nitrite0 ppmToxic even at low levels
Nitrate<15 ppmManage through regular partial water changes
Min. tank80L (21 gal)Larger tanks are easier to keep stable
Important: Always dechlorinate tap water before adding it to the tank. Chlorine and chloramines damage a fish's gills and reduce life expectancy.

Interesting Facts

  • Males display spectacular extended dorsal fin spikes — hence the name 'Cockatoo' cichlid.
  • Females turn bright yellow when guarding eggs and fry, making sexing easy at breeding time.
  • One of the most widely kept dwarf cichlids, with many selectively bred colour forms available.

📋 Full Care Guide

Ready to set up a tank for your Cockatoo Cichlid? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.

Read Cockatoo Cichlid Care Guide →

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Editorial review

This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.