Glowlight tetra care

Water temperature

74–80°F

Keep glowlight tetras at 74–80°F with a pH of 6–7.5, in a tank of at least 10 gallons. Good tank mates include bettas, guppies, corydoras.

Quiet schooler that suits almost any small community.

Hemigrammus erythrozonus

pH

6–7.5

Minimum tank

10 gal

Adult size

1.5 in

Temperament

Peaceful

Group

Groups of 6+

Lifespan

3–5 years

Swims at

Middle

Diet

Omnivore

Best tank mates

• BettaYes
• GuppyYes
• CorydorasYes
• Honey gouramiYes
• Sparkling gouramiYes
• Kuhli loachYes
• OtocinclusYes
• Amano shrimpYes
• HatchetfishYes
• Bolivian ramYes
• Dwarf gouramiYes
• Blue gouramiYes

Full glowlight tetra tank mate chart: 57 yes, 23 with care, 18 no

Glowlight tetra water compared

Fish to keep away from glowlight tetras

• Axolotl Axolotls are coldwater animals (60–66°F); glowlight tetras need 74–80°F. No temperature suits both.
• Pea puffer Pea puffers are aggressive and will bully peaceful glowlight tetras.
• Angelfish An adult angelfish eats fish that fit in its mouth, and at 1.5 inches glowlight tetras do.
• Oscar An adult oscar eats fish that fit in its mouth, and at 1.5 inches glowlight tetras do.
• Pictus catfish An adult pictus catfish eats fish that fit in its mouth, and at 1.5 inches glowlight tetras do.
• Elephant nose fish At 9 inches an elephant nose fish can swallow a 1.5-inch glowlight tetra whole.
• Black ghost knife An adult black ghost knife eats fish that fit in its mouth, and at 1.5 inches glowlight tetras do.
• Goldfish Goldfish are coldwater animals (60–74°F); glowlight tetras need 74–80°F. They meet only at 74°F, the edge of both ranges.

More tetras and characins

• Neon tetra72–79°F
• Ember tetra73–84°F
• Congo tetra73–82°F
• Rummy nose tetra75–84°F
• Cardinal tetra76–84°F
• Black skirt tetra70–80°F
• Serpae tetra72–79°F
• Silver dollar75–82°F