Apistogramma Macmasteri

Apistogramma Macmasteri

Apistogramma macmasteri

Family: Cichlidae • Origin: Various

Apistogramma Macmasteri (Apistogramma macmasteri) is a semi-aggressive cichlid reaching 3 inches. Can be kept singly. Minimum tank: 10 gallons.

Min Tank
10 gal
Max Size
3"
Temperature
72-82°F
pH
6-7
Lifespan
4 years
School Size
Solo OK
Swim Level
bottom
Hardness
5-15 dGH
semi-aggressiveintermediateomnivore

Is Apistogramma Macmasteri Right for Your Tank?

Apistogramma Macmasteri is an excellent choice for beginners — rated "intermediate" difficulty (2/5). They're hardy, forgiving of minor water parameter fluctuations, and generally easy to feed. At just 10 gallons minimum, they work well in nano tanks and smaller setups.

Apistogramma Macmasteri is semi-aggressive — they can live with others but may bully smaller or slower fish. Choose tank mates carefully. They are territorial — provide adequate hiding spots and maintain enough space to reduce aggression. Expected lifespan: 4 years with proper care.

Common Mistakes with Apistogramma Macmasteri

Relying on a heater without a thermometer

Apistogramma Macmasteri needs 7282°F. Heaters malfunction or drift over time — always use a separate thermometer to verify. Temperature swings of even 3–4°F can trigger stress and disease, particularly ich.

Putting them in a tank under 10 gallons

While 10 gallons is the minimum, nano tanks require more frequent water changes and leave less room for error. A slightly larger tank (15 gal) is much more forgiving.

Housing with peaceful nano fish

Apistogramma Macmasteri is semi-aggressive and territorial — small, peaceful species like neon tetras, endlers, or celestial pearl danios will be stressed, bullied, or eaten. Choose tank mates that can hold their own.

Care Tips

  • Max size: 3"
  • Temp: 72-82°F
  • pH: 6-7
  • Can be kept alone
  • semi-aggressive temperament

Feeding: Standard omnivore diet for Cichlidae.

Compatibility Notes: Typical semi-aggressive Cichlidae species.

Tank Setup & Water Parameters

Tank Requirements

Minimum Tank Size
10 gallons
Recommended Tank Size
15 gallons
Swimming Level
bottom

Water Parameters

Temperature
7282°F
pH Range
67
Hardness (dGH)
515
Water Type
freshwater

Behavior & Temperament

Temperament
semi-aggressive
Aggression Level
3/5
Schooling
No
Territorial
Yes
Fin Nipper
No
Predatory
No
Diet Type
omnivore
Growth Rate
moderate

Typical semi-aggressive Cichlidae species.

Breeding

Breeding Type
egg layer
Breeding Difficulty
moderate
Lifespan
4 years

Ideal For

10 gallon

Compatible Tank Mates

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