Can Cuckoo Catfish Live With Lemon Tetra?

Cuckoo Catfish and Lemon Tetra CAN coexist, but with some risks. Careful setup and monitoring required.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 75–82°F.

pH ⚠ Use Caution

Very narrow pH overlap (7.5–7.5). Hard to maintain precisely.

Size ⚠ Use Caution

Significant size difference (7" vs 1.5"). Cuckoo Catfish may bully or stress Lemon Tetra.

Temperament ⚠ Use Caution

Cuckoo Catfish (semi-aggressive) may have issues with Lemon Tetra (peaceful). Monitor closely if attempting.

Swim Level ✓ Compatible

Fish occupy different water levels (Cuckoo Catfish: bottom, Lemon Tetra: middle), reducing conflict.

Important Notes

  • Cuckoo Catfish is a schooling fish and needs at least 3 of its kind.
  • Lemon Tetra is a schooling fish and needs at least 6 of its kind.

Tank Requirements

Minimum tank size for this combination: 48 gallons

ParameterCuckoo CatfishLemon Tetra
Temperature75–82°F72–82°F
pH7.5–95.5–7.5
Max Size7"1.5"
TemperamentSemi-aggressivePeaceful
Swim LevelBottomMiddle
Min Tank40 gal15 gal

Check More Combinations

Use our compatibility checker to add more fish and plan your complete tank.