Common name: variable-lined fusilier

General information

The Kawakawa, or Blue and Gold Fusilier (Caesio varilineata), is a vibrant and active fish that brings a splash of color and movement to any marine aquarium. This species is known for its striking blue body with a horizontal yellow stripe running along its side, which makes it a visually appealing addition to a fish-only or reef tank.

In the wild, these fish form large schools and are often seen swimming in the water column above reefs, where they feed on plankton. Their schooling behavior can be replicated in the aquarium, providing a mesmerizing display as they dart through the water.

Care

Kawakawa are relatively hardy fish that require a spacious tank to accommodate their active swimming habits and schooling behavior. A minimum tank size of 150 gallons is recommended for a small group. They thrive in well-oxygenated water with moderate to strong water flow.

Their diet should consist of a variety of meaty foods such as mysis shrimp, brine shrimp, and finely chopped seafood. They also benefit from the inclusion of high-quality marine flakes or pellets that are rich in vitamins to maintain their vibrant coloration.

Reproduction

In the aquarium, breeding Kawakawa is quite challenging and rarely achieved. In the wild, they are known to spawn in groups, releasing eggs and sperm into the water column where fertilization occurs externally. The eggs are pelagic, drifting with the currents until they hatch.

Habitat

Kawakawa are found in the Indo-Pacific region, from the Red Sea and East Africa to the central Pacific. They inhabit clear lagoon and seaward reefs, usually in large schools, and are commonly found at depths ranging from the surface down to about 50 meters.

Their preference for open water above the reef structure should be considered when designing their aquarium habitat, ensuring there is ample swimming space and minimal obstructions.