Diadema Dottyback

Diadema Dottyback

Pseudochromis diadema

Also known as: Purple and Yellow Dottyback

🧂 Saltwater ⚡ Semi-aggressive 🟢 Easy 🥩 Carnivore Reef Safe

Purple front half transitioning sharply to bright yellow rear — similar pattern to the royal gramma but a different family entirely.

Tank Size

20 gal
minimum (30+ preferred)

Temperature

74–82°F
23–28°C

pH Range

8–8.4
water acidity

Max Size

2.5"
6.3 cm

Lifespan

5–7 years
typical in captivity

Swim Level

Middle
preferred zone

Care Notes

Hardy and affordable. Can be aggressive toward similar-looking or small fish. Provide plenty of rockwork caves.

Feeding

Frozen mysis, brine shrimp, and marine pellets.

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" Convict Tang 8" Azure Damselfish 2.5"

Incompatible With

Maroon Clownfish 6" Blue Devil Damselfish 3" Powder Blue Tang 9" Naso Tang 18" Achilles Tang 10" Purple Tang 10" Three Stripe Damselfish 3" Domino Damselfish 5" Four Stripe Damselfish 3" Jewel Damselfish 6" Blonde Naso Tang 16" Orange Shoulder Tang 14"

Check Compatibility

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