Can Black Neon Tetra live with Fancy Guppy (Female trio)?

Compatible

Why

No conflicts — these two share similar water needs, temperament, and size, and neither is a threat to the other.

Sweet spot: both do well at 72–82°F and pH 6.8–7.5 — aim there.

Side-by-side

Black Neon TetraFancy Guppy (Female trio)
Temperature72–82°F72–82°F
pH5.5–7.56.8–7.8
Hardness (GH)2–12 dGH8–20 dGH
Adult size1.5"2.4"
TemperamentPeacefulPeaceful
Min tank15 gal10 gal

Together, plan on at least 15 gallons.

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Everything compatible with Black Neon Tetra · …with Fancy Guppy (Female trio)

Related pairings

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