Tiger loach vs Coolie loach: can they live together?

Verdict: Not recommended

  • The Tiger loach is best kept in a species tank.
  • The Tiger loach is aggressive towards other fish.
  • The Tiger loach grows about twice as long as the Coolie loach; watch for bullying or predation.
  • Both are comfortable at 25–30°C (77–86°F).
  • A pH of 6.5 suits both.

Side by side

Tiger loachCoolie loach
Adult size21 cm (8.3 in)10 cm (3.9 in)
Minimum tank210 L (55 US gal)40 L (11 US gal)
Temperature25–30°C (77–86°F)24–30°C (75–86°F)
pH6.5–7.05.5–6.5
Hardness6–12 dGH (107–214 ppm)–
TemperamentAggressivePeaceful
Community tankNot suitableGood
DietOmnivoreOmnivore