The Bannerfish is a tropical reef fish known for its striking black and white stripes and a long white dorsal fin filament that resembles a banner. It is commonly found in the Indo-Pacific and Red Sea regions.
Scientific Name
Heniochus acuminatus
Habitat
Inhabits tropical and subtropical coral reefs of the Indo-Pacific and Red Sea, including lagoons and outer reef slopes.
Conservation
Not listed as endangered; stable population in natural habitats.
Lifespan
Typically 5–7 years in captivity with proper care.
Fun Fact
The banner-like dorsal fin helps Bannerfish blend with schooling fish, offering camouflage from predators.
Diet
Primarily benthic invertebrates such as polychaete worms, small crustaceans, and zooplankton.
Average Size
Grows up to 25 cm (10 inches) in length.
Location / Placement info
Displayed in the Coastal Reef Exhibit, near the Ocean-View Tunnel
FAQ
What is the lifespan of the Bannerfish?
Bannerfish generally live up to 5–7 years in captivity with proper care and stable water conditions.
What do Bannerfish eat?
They are omnivores, feeding on zooplankton, algae, and small invertebrates; they also accept flakes and pellets.
Are Bannerfish aggressive?
No, they are peaceful and social, especially the schooling species like Heniochus diphreutes.
What is the ideal tank size for Bannerfish?
A minimum of 75–100 gallons is recommended, especially for keeping them in groups.
Do Bannerfish need a reef environment to survive?
Yes, they thrive in reef-like tanks, but some species may nip at coral polyps, so caution is advised.
How big do Bannerfish grow?
Bannerfish can grow up to 7–9 inches (18–23 cm) in length, excluding their elongated dorsal filament.
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