Emperor Angelfish tank mates
Pomacanthus imperator
5 rated pairings from the Emperor Angelfish care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Emperor Angelfish needs at least 150 gallons on its own; every companion adds to that.
Good matches
3 · Compatible with normal care — watch space and numbers.Ocellaris Clownfish
Amphiprion ocellaris
20 gal min · 3.5" adult · Semi-aggressive
Hardy, similar size range, occupy different tank zones; may be nipped at but generally tolerate each other
Cleaner Shrimp
Lysmata amboinensis
30 gal min · 2.5" adult · Peaceful
May be eaten when small but useful for parasite control; provide adequate hiding spots
Pajama Cardinalfish
Sphaeramia nematoptera
30 gal min · 3.5" adult · Peaceful
Nocturnal and peaceful; occupy different behavioral niches, minimal competition
Use caution
2 · Works in the right setup; read the note before combining.Yellow Tang
Zebrasoma flavescens
75 gal min · 8" adult · Semi-aggressive
Both large and territorial; only attempt in 180+ gallon tanks with plenty of space and hiding areas
Flame Angelfish
Centropyge loricula
70 gal min · 4" adult · Semi-aggressive
Both angelfish; risk of aggression, only compatible in very large tanks with established territories
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.