Discus

Symphysodon spp.

Minimum Tank Size

75 gal recommended for a group

Temperature

82–86°F

PH

6.0–7.5

Adult Size

6–8 in

Temperament 

Generally peaceful, social

Care Difficulty

Advanced

Diet & Feeding

High-quality discus pellets/granules plus varied frozen foods; small frequent meals for juveniles.

Care Instructions

Prioritize stable warm water, low stress, excellent hygiene and compatible slow-feeding tank mates.

Flow & Filtration

Excellent biological filtration, very clean water, gentle-to-moderate flow.

Planted Tank Suitability

Excellent for warm planted aquariums with compatible plants.

Tank Mate Compatibility

Good Tank Mates

  • Cardinal Tetra
  • Rummy-nose Tetra
  • Corydoras sterbai

Use Caution 

  • Angelfish
  • German Blue Ram
  • Bristlenose Pleco

Avoid

  • Goldfish
  • Tiger Barb
  • Oscar

Compatibility Notes

Choose calm warm-water species that do not outcompete discus for food or harass them.

Breeding Notes

Pairs spawn on vertical surfaces and provide parental care.