Can Platy Live With Molly?

✅Compatible

Platy and Molly are compatible. Temperature overlap 72–80°F. Both peaceful.

Conditions: Minimum 20 gallon tank.

Parameter Comparison

Parameter	Platy	Molly	Overlap
Temperature	70–80°F	72–82°F	72–80°F ✓
pH Range	7–8.2	7–8.5	7–8.2 ✓
Temperament	peaceful	peaceful	Both peaceful ✓
Max Size	2.5"	4.5"	Similar ✓
Min Tank Size	10 gal	20 gal	20 gal minimum together
Diet	Omnivore	Omnivore	—
Care Level	beginner	beginner	—

Tank Requirements for Platy + Molly

To keep Platy and Molly together, you need at minimum a 20 gallon tank. Platy should be kept in a school of 3+. Molly should be kept in a school of 4+. Provide adequate filtration, stable temperature with a heater, and hiding spots to reduce stress.

Species Profiles

Platy

Xiphophorus maculatus

beginnerpeaceful10+ gal

Platies are colorful, hardy livebearers that come in dozens of color varieties. They are extremely easy to care for, breed readily, and get along with virtually all peaceful community fish. Perfect for beginners.

Full care guide →

Molly

Poecilia sphenops

beginnerpeaceful20+ gal

Mollies are versatile livebearers that come in many varieties including black, dalmatian, balloon, and sailfin. They prefer hard, alkaline water and can even tolerate brackish conditions. They are active, personable fish that breed easily.