Indian glassy fish vs Northern trout gudgeon: can they live together?

Verdict: With caution

• The Northern trout gudgeon can be semi-aggressive or nip fins.
• The Northern trout gudgeon grows about twice as long as the Indian glassy fish; watch for bullying or predation.
• Both are comfortable at 24–26°C (75–79°F).
• A pH of 7.0–7.8 suits both.
• Minimum tank for the pair: 150 L (40 US gal)