Can Black Neon Tetra live with Thai Freshwater Crab?

Caution — with care

Why

Sweet spot: both do well at 72–82°F and pH 7–7.5 — aim there.

Side-by-side

Black Neon TetraThai Freshwater Crab
Temperature72–82°F72–82°F
pH5.5–7.57–8
Hardness (GH)2–12 dGH6–15 dGH
Adult size1.5"2.5"
TemperamentPeacefulSemi-aggressive
Min tank15 gal15 gal

Together, plan on at least 15 gallons.

How to make it work

Design the whole tank, not just the stocking

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Design a tank with Black Neon Tetra, Thai Freshwater Crab →

Everything compatible with Black Neon Tetra · …with Thai Freshwater Crab

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