Pictichromis paccagnellae

Royal Dottyback | Bicolor Cichlops | Two-colour Dottyback | Two-tone Dottyback | Pseudochromis paccagnellae
Pictichromis paccagnellae
Pictichromis paccagnellae, North WA, Australia, Photo: Andrew Green


Tropical Indo-Pacific


Distinct colouration , half purple/half yellow. Differs from P. coralensis (Bicolored Dottyback), only in scale size and scale counts along lateral line, so best distinguished by location. P. coralensis being only found on Great Barrier Reef and Coral Sea reefs and in New Caledonia. Length to 7cm.


Max Size: 7 cm

Sea Temperature Range: 24.1-30.7°C

Depth: 4-40m

Habitat Generalization Index: 3.03

Also referred to as the SGI (Species Generalisation Index), this describes the habitat niche breadth of the species. Species with values less than 15 are found in a relatively narrow range of reef habitat types (specialists), while those over 25 may be found on most hard substrates within their range (generalists). Learn more here.

Conservation and Rarity

IUCN Status: Not Evaluated

Occurrence: Infrequent (8.1% of sites)

Occurrence describes how often the species is found on surveys within its distribution. It is calculated as the % of reef sites surveyed by RLS divers across all the ecoregions in which the species has been observed

Abundance: Several (10 per transect)

Abundance is calculated as the average number of individuals recorded per RLS transect, where present.

Edit by: Joe Shields