Pictichromis diadema is a popular dottyback species prized for its vivid purple and yellow coloration, making it a striking addition to marine aquariums. This species is known for its hardy nature and active behaviour, suitable for experienced hobbyists who can manage its semi-aggressive temperament.
Care Level: Moderate – requires stable water parameters and careful tank mate selection.
Temperament: Semi-aggressive; may show territorial behaviour, especially towards similar-sized or shaped fish.
Diet: Carnivorous – feeds well on a variety of meaty foods including frozen mysis shrimp, brine shrimp, and high-quality marine pellets.
Minimum Tank Size: 75 litres (approximately 20 gallons) to provide adequate swimming space and reduce territorial disputes.
Reef Safety: With Caution – generally compatible with reef tanks but may harass small invertebrates or peaceful fish.
Lighting Requirements: Not specific; standard reef lighting is suitable.
Water Flow: Moderate flow preferred to mimic natural reef conditions.
Placement: Mid to lower levels of the aquarium, with plenty of hiding spots such as live rock caves and crevices.
Origin: Not Provided.
Maximum Size: Approximately 7 cm (2.8 inches).
When introducing Pictichromis diadema to your aquarium, it is advisable to add it last to minimise aggression. Provide ample hiding places to reduce stress and territorial disputes. Regular feeding with varied meaty foods will help maintain vibrant colouration and health.
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