Can Neon Tetra and Cuckoo Catfish live together?

Neon Tetra and Cuckoo Catfish are not compatible. The comparison on this page runs the same compatibility engine as the tank builder, checking temperature and pH overlap, predation by size, temperament, and known hard-pair conflicts.

Species Comparison

Neon Tetra vs Cuckoo Catfish

Verdict:Not compatible

Side-by-side specs

Tetras

Family

Catfish

1.5″

Adult size

4″

10gal

Min tank

30gal

70–81°F

Temperature

75–81°F

6–7.5

7.5–8.5

peaceful

Temperament

peaceful

Schooling

mid

Water level

bottom

Compatibility notes

criticalCuckoo Catfish grows large enough (4") to eat Neon Tetra (1.5").

Try both in the builder →Compare different species