Swordtail

Xiphophorus hellerii

Minimum Tank Size

20–30 gal

Temperature

72–82°F

PH

7.0–8.3

Adult Size

4–5 in

Temperament 

Peaceful, active

Care Difficulty

Beginner

Diet & Feeding

Feed a varied, species-appropriate diet built around a quality prepared staple, with frozen/live or plant foods as appropriate. Avoid overfeeding.

Care Instructions

Maintain stable 72–82°F water, appropriate water chemistry, regular partial water changes, and enough space for an adult Swordtail.

Flow & Filtration

Use mature biological filtration, good oxygenation, and flow appropriate to the species. Maintain consistently low ammonia and nitrite.

Planted Tank Suitability

Suitable when plants and layout match the species; protect plants from digging or grazing where necessary.

Tank Mate Compatibility

Good Tank Mates
  • Platy
  • Molly
  • Corydoras

Use Caution 
  • Guppy
  • Dwarf Gourami

Avoid
  • Oscar
  • Large Cichlids

Compatibility Notes

Active livebearer; males may spar, so provide space and favorable sex ratios.

Breeding Notes

Breeding requirements vary; use a dedicated setup when attempting to raise eggs or fry.