Can angelfish live with pencilfish?

Verdict
Yes

Yes, angelfish and pencilfish can live together. Both are fine at 76–82°F. Plan on at least 30 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 76–82°Angelfish 76–84°Pencilfish 75–82°
The green band is the temperature range both can live in.
456789Both: 6–7.5Angelfish 6–7.5Pencilfish 5–7.5
The green band is the pH both tolerate.

Size to scale

Angelfish · 6 inPencilfish · 2 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

AngelfishPencilfish
Temperature76–84 °F75–82 °F
pH6–7.55–7.5
Adult size6.0 in2.0 in
Minimum tank30 gal15 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleMiddle
GroupAlone or in pairsGroups of 6+
DietOmnivoreOmnivore

Better tank mates for angelfish

All angelfish tank mates

Better tank mates for pencilfish

All pencilfish tank mates

Questions

Can angelfish live with pencilfish?

Yes, angelfish and pencilfish can live together. Both are fine at 76–82°F. Plan on at least 30 gal.

What temperature suits both angelfish and pencilfish?

76–82 °F. Angelfish need 76–84 °F, pencilfish need 75–82 °F.

What size tank do angelfish and pencilfish need together?

At least 30 gal, set by the angelfish. Add space for each extra fish.