Glass catfish vs Redtail splitfin: can they live together?

Verdict: With caution

  • The Redtail splitfin can be semi-aggressive or nip fins.
  • The Glass catfish grows about twice as long as the Redtail splitfin; watch for bullying or predation.
  • Both are comfortable at 21–26°C (70–79°F).
  • A pH of 6.5–7.0 suits both.
  • Minimum tank for the pair: 150 L (40 US gal)

Side by side

Glass catfishRedtail splitfin
Adult size15 cm (5.9 in)6 cm (2.4 in)
Minimum tank150 L (40 US gal)75 L (20 US gal)
Temperature21–26°C (70–79°F)15–32°C (59–90°F)
pH6.5–7.06.0–8.0
Hardness8–18 dGH (143–321 ppm)9–19 dGH (161–339 ppm)
TemperamentPeacefulSemi-aggressive
Community tankGoodGood
Care levelEasyEasy
DietCarnivoreOmnivore