Freshwater · Fish

Molly Fish

Molly Fish is a peaceful freshwater fish that needs a tank of at least 10 gallons (38 L), water at 70-82°F (21-28°C) and a pH of 7-8.5.

Also searched as: molly, molly fish, black molly, sailfin molly

N° 01

Quick facts

Hardy and versatile. Can adapt to brackish water. Livebearers.

N° 02

Ranked by water overlap and temperament, using the same checks as the MyAquaLog compatibility tool.

Platymin tank 10 gal
Temperature overlap 70-82°F, pH overlap 7-8.2. Both species are peaceful.
Mystery Snailmin tank 5 gal
Temperature overlap 70-82°F, pH overlap 7.2-8. Both species are peaceful.
Daisy's Blue Ricefishmin tank 10 gal
Temperature overlap 72-82°F, pH overlap 7-8. Both species are peaceful.
Forktail Blue-Eyemin tank 10 gal
Temperature overlap 75-82°F, pH overlap 7-8. Both species are peaceful.
Japanese Trapdoor Snailmin tank 10 gal
Temperature overlap 70-82°F, pH overlap 7-8.5. Both species are peaceful.
Celebes Rainbowfishmin tank 20 gal
Temperature overlap 70-82°F, pH overlap 7-8. Both species are peaceful.
Endler Livebearermin tank 5 gal
Temperature overlap 72-82°F, pH overlap 7-8.5. Both species are peaceful.
Horned Nerite Snailmin tank 5 gal
Temperature overlap 72-82°F, pH overlap 7-8.5. Both species are peaceful.

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Pairings that fail the temperament, water-overlap or known-conflict checks.

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One-to-one checks against other popular species, with the reasons for each verdict.

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These lists compare one species against the rest of the database. Your stock list, tank size and bioload change the answer, so log your own tank.

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Molly Fish quick facts

Minimum tank

10 gallons (38 L)

Temperature

70-82°F (21-28°C)

7-8.5

Temperament

Peaceful

Swim level

Top

Group size

3 or more together

Tank type

Freshwater