Can apistogramma live with black neon tetras?

Verdict
Yes

Yes. Apistogramma and black neon tetras make a good pair. Both are fine at 75–81°F. Plan on at least 20 gal.

ApistogrammaApistogramma75–84°F · pH 5–7 Black neon tetraBlack neon tetra73–81°F · pH 5.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–81°Apistogramma 75–84°Black neon tetra 73–81°
The green band is the temperature range both can live in.
456789Both: 5.5–7Apistogramma 5–7Black neon tetra 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Apistogramma · 3 inBlack neon tetra · 1.5 in0"1"2"3"4"5"6"
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

ApistogrammaBlack neon tetra
Temperature75–84 °F73–81 °F
pH5–75.5–7.5
Adult size3.0 in1.5 in
Minimum tank20 gal15 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietCarnivoreOmnivore

Better tank mates for apistogramma

All apistogramma tank mates

Better tank mates for black neon tetras

All black neon tetra tank mates

Questions

Can apistogramma live with black neon tetras?

Yes. Apistogramma and black neon tetras make a good pair. Both are fine at 75–81°F. Plan on at least 20 gal.

What temperature suits both apistogramma and black neon tetras?

75–81 °F. Apistogramma need 75–84 °F, black neon tetras need 73–81 °F.

What size tank do apistogramma and black neon tetras need together?

At least 20 gal, set by the apistogramma. Add space for each extra fish.