Dwarf neon rainbowfish care

Water temperature

75–82°F

A dwarf neon rainbowfish wants water at 75–82°F, pH 6.5–7.5, and a tank of 20 gallons or bigger. Good tank mates include bettas, guppies, kuhli loaches.

Small, busy rainbowfish for a planted community.

Melanotaenia praecox

pH

6.5–7.5

Minimum tank

20 gal

Adult size

2.5 in

Temperament

Peaceful

Group

Groups of 6+

Lifespan

4–5 years

Swims at

Middle

Diet

Omnivore

Best tank mates

• BettaYes
• GuppyYes
• Kuhli loachYes
• Honey gouramiYes
• AngelfishYes
• CorydorasYes
• Mystery snailYes
• Sparkling gouramiYes
• Yoyo loachYes
• Bristlenose plecoYes
• Dwarf gouramiYes
• Bamboo shrimpYes

Full dwarf neon rainbowfish tank mate chart: 70 yes, 15 with care, 13 no

Dwarf neon rainbowfish water compared

Fish to keep away from dwarf neon rainbowfish

• Axolotl Axolotls are coldwater animals (60–66°F); dwarf neon rainbowfish need 75–82°F. No temperature suits both.
• Convict cichlid Convict cichlids are aggressive and will bully peaceful dwarf neon rainbowfish.
• Bichir An adult bichir eats fish that fit in its mouth, and at 2.5 inches dwarf neon rainbowfish do.
• Goldfish Goldfish are coldwater animals (60–74°F); dwarf neon rainbowfish need 75–82°F. No temperature suits both.
• Oscar An adult oscar eats fish that fit in its mouth, and at 2.5 inches dwarf neon rainbowfish do.
• Black ghost knife An adult black ghost knife eats fish that fit in its mouth, and at 2.5 inches dwarf neon rainbowfish do.
• Jack Dempsey An adult jack dempsey eats fish that fit in its mouth, and at 2.5 inches dwarf neon rainbowfish do.
• African cichlid African cichlids are aggressive and will bully peaceful dwarf neon rainbowfish.

More rainbowfish

• Boesemani rainbowfish75–82°F