Raphael catfish vs Emerald catfish: can they live together?

Verdict: Not recommended

The Raphael catfish is aggressive towards other fish.
An adult Raphael catfish is about 3 times the length of a Emerald catfish and may eat it.
Both are comfortable at 24–28°C (75–82°F).
A pH of 5.8–7.5 suits both.

Side by side

	Raphael catfish	Emerald catfish
Adult size	24 cm (9.4 in)	8 cm (3.1 in)
Minimum tank	210 L (55 US gal)	75 L (20 US gal)
Temperature	24–30°C (75–86°F)	22–28°C (72–82°F)
pH	5.8–7.5	5.8–8.0
Hardness	2–20 dGH (36–357 ppm)	2–30 dGH (36–535 ppm)
Temperament	Aggressive	Peaceful
Community tank	–	Good
Care level	Easy	Easy
Diet	Omnivore	Omnivore