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Royal Dottyback (Pictichromis paccagnellorum) Care Guide

A beautiful bicolored dottyback with the front half in vivid magenta-purple and the rear half in bright yellow, creating a striking visual divide.

Overview

Pictichromis paccagnellorum is a species in the family Pseudochromidae. A beautiful bicolored dottyback with the front half in vivid magenta-purple and the rear half in bright yellow, creating a striking visual divide. Often confused with the Royal Gramma but distinguished by the sharp color boundary rather than a gradient. Somewhat territorial but manageable in a reef tank with adequate hiding spots.

Taxonomy

  • Family: Pseudochromidae
  • Genus: Pictichromis
  • Scientific name: Pictichromis paccagnellorum
  • Other names: Bicolor Dottyback, Paccagnella's Dottyback
  • Origin: Western Pacific

Habitat

Native to the western Pacific around Indonesia and the Philippines. Inhabits caves and overhangs of coral reefs at depths of 10-30 m. Distinctive bicoloured pattern of magenta anterior and yellow posterior. Captive-bred lines are now common and recommended over wild stock.

Tank requirements

  • Minimum tank volume: 80 L
  • Temperature: 24-27 °C
  • pH: 8.1-8.4
  • GH: 8-12 °dGH
  • Water flow: moderate
  • Adult size: 5-7 cm
  • Lifespan: 5-7 years
  • Difficulty: beginner

Diet

Classified as carnivore. Recommended feeding frequency: 2x daily. In captivity, offer a varied diet appropriate to the species — quality prepared foods supplemented with frozen or live items of suitable size.

Compatibility

  • Temperament: semi-aggressive
  • Swimming level: middle
  • Compatible tank mates: Clownfish, Firefish Goby, Blue Chromis, Tangs
  • Avoid with: Royal Gramma, Other Dottybacks, Very Small Fish

Reef compatibility

Generally classified as reef-safe: does not feed on stony or soft corals, tridacnid clams or ornamental shrimps under normal conditions.

Breeding

  • Breeding strategy: cave-spawner
  • Breeding difficulty: intermediate

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