Gold Molly

Poecilia sphenops

Gold Molly (Poecilia sphenops) — Easy care, Peaceful, under Livebearer & Killifish. Minimum tank in the app: 7.9 US gal min; aim for 75–82°F and pH 7–8.5. Details below match the app.

Gold Molly (Poecilia sphenops) in a planted freshwater aquarium
Care levelEasy
TemperamentPeaceful
Min tank size7.9 US gal min
pH range7–8.5
Temperature75–82°F
Max size2.4 in (6.0 cm)
Captive lifespan2–4 years
SchoolingNo

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.

Natural distribution

Central America / Mexico

  • Central America & Mexico

Regional colours match the stocking calculator’s origin map.

Gold Molly Tank Setup

Plan for at least 7.9 US gal min of water—that is the minimum in our database for a workable setup, not a challenge to crowd fish. Aim to hold 75–82°F and pH 7–8.5 without daily drama. These fish use the Mid/Top zone most, so put wood, plants, or open water there accordingly.

What Do Gold Mollys Eat?

We record diet as Omnivore. Offer a few food types that match—dry, frozen, or gel—and swap now and then. One flake every day for a year is how dull color and gut trouble creep in.

Gold Molly Tank Mates

Temperament in the data: Peaceful. Prefers hard alkaline water; add aquarium salt for best health. Livebearer - keep more females than males to reduce harassment. May hybridise with other molly varieties. Plug your full stock list into the stocking calculator—single-species compatibility scores are hints, not a whole-tank verdict.

Are Gold Mollys Good for Beginners?

Often a sensible first fish once the tank is cycled and you are willing to test water sometimes. Skip the impulse buy on the same day you set up the tank.

Building a community? Run the full list through the stocking calculator before you add anything else.

Log tests and reminders in App-aquatic—free, same data you see here.