Can Neon Tetras and Oscars Live Together?

No, not a good match. Oscar is aggressive and will bully or kill peaceful fish such as neon tetra.

Verdict
No, not a good match
Shared temperature
73–79 °F23–26 °C
Shared pH
6–7.5
Smallest tank for both
See below

Neon Tetras and Oscars, side by side

Neon tetraOscar
Adult size1.4 in3.5 cm11.8 in30 cm
Smallest tank10 gal38 L75 gal284 L
Keep6 or moreOne or more
Temperature70–79 °F21–26 °C73–81 °F23–27 °C
pH5.5–7.56–8
TemperamentPeacefulAggressive
SwimsIn the middleIn the middle

Why it does not work

Oscar is aggressive and will bully or kill peaceful fish such as neon tetra.

Better tank mates for neon tetras

Better tank mates for oscars

Questions and answers

Can neon tetras and oscars live in the same tank?

No, not a good match. Oscar is aggressive and will bully or kill peaceful fish such as neon tetra.

What temperature suits neon tetras and oscars?

73–79 °F (23–26 °C) suits both.

More pairs

Based on each species' adult size, water range and temperament (Seriously Fish, FishBase) and the rules of our stocking calculator. Individual fish differ: this is a guide, not a guarantee.