The Large Indo-Pacific Sergeant (Abudefduf vaigiensis) is a visually captivating damsel fish native to the tropical Indo-Pacific region. Known for its bold black vertical stripes and vibrant blue and yellow hues, this species adds dynamic colour and activity to suitably sized marine aquariums.
Care Level: Moderate. This species is hardy but requires stable water conditions and a well-maintained environment.
Temperament and Compatibility: The Indo-Pacific Sergeant is territorial and can be aggressive, especially in confined spaces or when kept with smaller, more passive fish. It is best housed with similarly sized or robust tank mates. Avoid keeping with very small or timid species.
Diet: Omnivorous. Provide a varied diet including high-quality marine flakes, pellets, frozen mysis shrimp, brine shrimp, and algae-based foods to ensure optimal health.
Minimum Tank Size: A minimum of 120 litres (approximately 30 gallons) is recommended to provide adequate swimming space and reduce territorial aggression.
Lighting and Water Flow: Standard reef aquarium lighting is suitable. Moderate water flow mimicking natural reef currents is ideal to keep the fish active and healthy.
Placement: Provide plenty of live rock for shelter and territory establishment. This also supports natural grazing behaviour.
Origin: Indo-Pacific region.
Maximum Size: Up to 15 cm (6 inches) in length.
This species is a popular choice for marine enthusiasts looking to add a hardy, visually striking damsel to their collection. Due to its territorial nature, careful consideration of tank mates and adequate space is essential.


