Northern trout gudgeon vs Spotted scat: can they live together?

Verdict: With caution

The Northern trout gudgeon can be semi-aggressive or nip fins.
Both are comfortable at 24–26°C (75–79°F).
A pH of 7.5–7.8 suits both.
Minimum tank for the pair: 210 L (55 US gal)

Side by side

	Northern trout gudgeon	Spotted scat
Adult size	17.5 cm (6.9 in)	30 cm (12 in)
Minimum tank	150 L (40 US gal)	210 L (55 US gal)
Temperature	24–26°C (75–79°F)	20–28°C (68–82°F)
pH	6.0–7.8	7.5–8.5
Temperament	Semi-aggressive	Peaceful
Community tank	Good	Good
Care level	Easy	Easy
Diet	Omnivore	Omnivore