Can Black Skirt Tetra live with Oscar?

Not recommended

Why

Side-by-side

Black Skirt TetraOscar
Temperature70–82°F74–81°F
pH5.5–7.56–8
Hardness (GH)3–15 dGH5–20 dGH
Adult size2.5"16"
TemperamentSemi-aggressiveAggressive
Min tank20 gal75 gal

Together, plan on at least 75 gallons.

Compatible alternatives

Instead of Black Skirt Tetra (to keep Oscar):

Instead of Oscar (to keep Black Skirt Tetra):

Design the whole tank, not just the stocking

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Everything compatible with Black Skirt Tetra · …with Oscar

Related pairings

Black Skirt Tetra + Neon TetraBlack Skirt Tetra + Cherry ShrimpBlack Skirt Tetra + AngelfishBlack Skirt Tetra + Nerite SnailBlack Skirt Tetra + Amano ShrimpBlack Skirt Tetra + Harlequin Rasbora