Can neon tetras live with bichirs?

Verdict
No

No. Neon tetras and bichirs should not share a tank. An adult bichir eats fish that fit in its mouth, and at 1.5 inches neon tetras do.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Neon tetra 72–79°Bichir 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7Neon tetra 6–7Bichir 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Neon tetra · 1.5 inBichir · 12 in0"2"4"6"8"10"12"
Adult length in an aquarium. A fish can swallow anything that fits in its mouth, roughly a third to half its own length for predators.

Care at a glance

Neon tetraBichir
Temperature72–79 °F72–82 °F
pH6–76.5–7.5
Adult size1.5 in12.0 in
Minimum tank10 gal75 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreCarnivore

Better tank mates for neon tetras

All neon tetra tank mates

Better tank mates for bichirs

All bichir tank mates

Questions

Can neon tetras live with bichirs?

No. Neon tetras and bichirs should not share a tank. An adult bichir eats fish that fit in its mouth, and at 1.5 inches neon tetras do.

What temperature suits both neon tetras and bichirs?

72–79 °F. Neon tetras need 72–79 °F, bichirs need 72–82 °F.

What size tank do neon tetras and bichirs need together?

At least 75 gal, set by the bichir. Add space for each extra fish.