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Neon Tetra and Oscar compatibility

Compare these records as a starting point, then account for the actual tank, group size, individual behavior, hiding space, diet, and current health.

Likely incompatible

Neon Tetra

Paracheirodon innesi

Temperature
70–81°F
pH
6–7
Minimum tank
10 US gal
Temperament
Peaceful
Source confidence
High

Oscar

Astronotus ocellatus

Temperature
74–81°F
pH
6–8
Minimum tank
75 US gal
Temperament
Aggressive
Source confidence
Medium

Compatibility signals

  • Tight hardness overlap
  • Oscar can eat Neon Tetra
  • Temperament conflict: Peaceful + Aggressive
  • Territorial species sharing same swim level
  • Large size disparity with non-peaceful fish

Catalog provenance

Built from immutable TankForge catalog IDs. See the catalog methodology before making a stocking decision.

Catalog methodology

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TankForge keeps tests, care, reminders, livestock, equipment, and trends together.