Can bichirs live with rummy nose tetras?

Verdict
No

No. Bichirs and rummy nose tetras should not share a tank. An adult bichir eats fish that fit in its mouth, and at 2 inches rummy nose tetras do.

BichirBichir72–82°F · pH 6.5–7.5 Rummy nose tetraRummy nose tetra75–84°F · pH 5.5–7

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Bichir 72–82°Rummy nose tetra 75–84°
The green band is the temperature range both can live in.
456789Both: 6.5–7Bichir 6.5–7.5Rummy nose tetra 5.5–7
The green band is the pH both tolerate.

Size to scale

Bichir · 12 inRummy nose tetra · 2 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

BichirRummy nose tetra
Temperature72–82 °F75–84 °F
pH6.5–7.55.5–7
Adult size12.0 in2.0 in
Minimum tank75 gal20 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietCarnivoreOmnivore

Better tank mates for bichirs

All bichir tank mates

Better tank mates for rummy nose tetras

All rummy nose tetra tank mates

Questions

Can bichirs live with rummy nose tetras?

No. Bichirs and rummy nose tetras should not share a tank. An adult bichir eats fish that fit in its mouth, and at 2 inches rummy nose tetras do.

What temperature suits both bichirs and rummy nose tetras?

75–82 °F. Bichirs need 72–82 °F, rummy nose tetras need 75–84 °F.

What size tank do bichirs and rummy nose tetras need together?

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