Species Profile
Diadema Dottyback
Pseudochromis diadema
Also known as: Flashback Dottyback
Dottybackssemi-aggressive
Adult size
2.5″
Minimum tank
30 gal
Temperature
72–82°F
pH
8.1–8.4
Schooling
Solitary OK
Water level
mid
Diet
Frozen mysis, brine shrimp, marine pellets
Notes
Brilliant yellow body with a thin violet diadem stripe along the top. Less aggressive than Pictichromis dottybacks but still territorial — claims a cave and defends it. Eats pest bristleworms.
Photo: Mrbrefast / Wikimedia Commons · Source · CC-BY-3.0