


Species Profile
Royal Dottyback
Pictichromis paccagnellae
Also known as: Bicolor Dottyback, False Gramma
Dottybacksaggressive
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
Half violet, half yellow, sharply divided in the middle. Very aggressive even by dottyback standards; adds last to an established tank with similar-sized tankmates. Best in tanks with rough characters like damsels and tangs.
Compatible Tankmates
Best tank mates for Royal Dottyback
Every species below passes the compatibility engine when paired with Royal 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: Jenny (JennyHuang) from Taipei / Wikimedia Commons · Source · CC-BY-2.0