Keyhole Angelfish

Keyhole Angelfish

Centropyge tibicen

Also known as: Tibicen Angelfish

🧂 Saltwater ⚡ Semi-aggressive 🟡 Moderate 🍽️ Omnivore Not Reef Safe

A dark brown to black dwarf angelfish with a distinctive white keyhole-shaped marking on the upper flank. One of the larger Centropyge species and more aggressive than most dwarfs.

Tank Size

30 gal
minimum (55+ preferred)

Temperature

74–82°F
23–28°C

pH Range

8.1–8.4
water acidity

Max Size

7"
17.8 cm

Lifespan

5-8 years
typical in captivity

Swim Level

Middle
preferred zone

Care Notes

Not reef-safe as it readily nips at corals and clam mantles. Best kept in FOWLR setups. Hardy once established. Only one dwarf angel per tank.

Feeding

Marine algae, spirulina, mysis shrimp, and angelfish pellets. Grazes on live rock algae.

Compatible Tank Mates

None identified.

Use Caution With

Ocellaris Clownfish 3" True Percula Clownfish 3" Blue Green Chromis 3" Yellowtail Damselfish 2.5" Blue Tang 12" Yellow Tang 8" Kole Tang 7" Clarkii Clownfish 5" Tomato Clownfish 5" Scopas Tang 8" Naso Tang 18" Convict Tang 8"

Incompatible With

Maroon Clownfish 6" Blue Devil Damselfish 3" Powder Blue Tang 9" Achilles Tang 10" Purple Tang 10" Three Stripe Damselfish 3" Domino Damselfish 5" Four Stripe Damselfish 3" Jewel Damselfish 6" Clown Tang 15" Flame Angelfish 4" Lemonpeel Angelfish 5"

Check Compatibility

Want to check if Keyhole Angelfish is compatible with a specific fish? Use our compatibility checker to build your complete tank.