Overview
- Found in the Western Pacific, particularly in deep reef slopes and sandy-bottomed environments.
- Notable for its vibrant blue body contrasted by a striking yellow head, making it a visually appealing aquarium species.
- Prefers living in pairs or small groups, often forming tight bonds with conspecifics.
- A peaceful and active fish, best suited for well-established reef tanks with plenty of open swimming space.
Feeding
- Diet consists mainly of zooplankton, small crustaceans, and suspended organic matter in the wild.
- In captivity, readily accepts finely chopped seafood, frozen mysis shrimp, enriched brine shrimp, and micro-pellets.
- Offering a diverse diet multiple times a day encourages optimal health and vibrant coloration.
- Supplementing with vitamin-enriched foods supports immune health and longevity.
Habitat
- Typically found in deeper waters with sandy seabeds, where it constructs burrows for shelter.
- Requires an aquarium setup that includes fine sand for digging and plenty of rockwork for additional security.
- Prefers moderate water flow, as strong currents can disrupt its natural burrowing tendencies.
- Avoids overly bright lighting; providing shaded areas can help alleviate stress.
Fish Care
- Optimal water temperature: 74-82°F (23-28°C).
- pH level: 8.1-8.4, with a specific gravity of 1.023-1.026.
- Requires excellent water quality, as it is highly sensitive to fluctuations in salinity and temperature.
- Regular water changes and stable tank conditions are key to ensuring its well-being.
Compatibility
- Extremely peaceful, making it ideal for reef tanks with other docile species.
- Can be kept in small groups, but providing adequate space reduces potential competition.
- Avoid housing with aggressive fish that may stress or outcompete it for food.
- Pairs well with other deep-water species that share similar environmental needs.
Aquarium Behavior
- Initially shy, but becomes more confident once it establishes a burrow and adapts to its surroundings.
- Often observed hovering above the substrate, scanning for food particles.
- Fast swimmer with quick reflexes; can disappear into its burrow when startled.
- A well-secured aquarium lid is necessary, as it may jump if spooked.