The Heniochus acuminatus, or Longfin Bannerfish, is a popular choice among marine aquarium enthusiasts due to its graceful appearance and peaceful temperament. This XXL variant offers a larger, more impressive specimen, showcasing the species’ characteristic elongated dorsal fin and contrasting black and white body markings.
Care Level: Moderate – suitable for aquarists with some experience in marine fish care.
Temperament: Generally peaceful and compatible with a wide range of tank mates, including other non-aggressive fish species.
Diet: Omnivorous – feeds on a varied diet including frozen mysis shrimp, brine shrimp, marine flakes, and algae-based foods. Supplement with occasional live foods to maintain optimal health.
Minimum Tank Size: 250 litres (approximately 65 gallons) to provide ample swimming space and stable water conditions.
Reef Compatibility: Yes, this species is reef safe and can be kept with corals and invertebrates without risk of predation or damage.
Lighting and Water Flow: Standard reef aquarium lighting and moderate water flow are suitable to mimic their natural environment.
Placement: Best kept in mid to upper levels of the aquarium where it can swim freely and display its natural behaviour.
Origin: Indo-Pacific region, including coral reefs around the Maldives, Indonesia, and the Great Barrier Reef.
Maximum Size: Up to 25 cm (10 inches) in length.
Heniochus acuminatus is a hardy species that thrives in well-maintained reef tanks. Regular water changes, stable parameters, and a balanced diet will ensure your Longfin Bannerfish remains healthy and vibrant.



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