Molly

Poecilia sphenops

Minimum Tank Size

20–30+ gal

Temperature

72–82°F

PH

7.2–8.5

Adult Size

3–5 in

Temperament 

Peaceful, active

Care Difficulty

Beginner–Intermediate

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 Molly.

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
  • Guppy
  • Corydoras

Use Caution 
  • Gourami
  • Angelfish

Avoid
  • Oscar
  • Large Aggressive Cichlids

Compatibility Notes

Prefer mineral-rich alkaline water; match tank mates to similar chemistry.

Breeding Notes

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