


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.
Compatible Tankmates
Best tank mates for Diadema Dottyback
Every species below passes the compatibility engine when paired with Diadema Dottybackin a suitably sized tank. Verdicts come from the same rules the builder uses — click a card to see that species' own care profile and its tank mates in turn.

Ocellaris Clownfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Blue-Green Chromis
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Royal Gramma
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Yellow Tang
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Percula Clownfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Maroon Clownfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Tomato Clownfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Yellowtail Damselfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Three-Stripe Damselfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Blue Hippo Tang
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Powder Blue Tang
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Sailfin Tang
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Photo: Mrbrefast / Wikimedia Commons · Source · CC-BY-3.0