Molly Fish vs Neon Tetra

Side-by-side care comparison to help you choose.

Molly FishNeon Tetra
DifficultyBeginnerBeginner
Adult size3-4 inches1.5 inches
Lifespan3-5 years3-5 years
Min tank size20 gallons10 gallons
Water temp72-82°F72-78°F
pH7.0-8.06.0-7.0
Temperamentpeacefulpeaceful
Tank matesOther peaceful community fish such as guppies, platies, swordtails, tetras, and corydoras.Other small peaceful fish like rasboras, corydoras, and small tetras.
DietOmnivore; feed high-quality flake or pellet daily, supplement with algae wafers, spirulina, blanched vegetables, and occasional live/frozen foods like brine shrimp or bloodworms.Omnivorous; feed high-quality flake food, micro pellets, and occasional frozen or live brine shrimp 2-3 times daily in small amounts.