The Eightband Butterflyfish is a small and colorful marine fish known for its flat, disc-shaped body and eight vertical black stripes over a yellow or white background. It is admired for beauty but hard to keep in captivity.
Scientific Name
Chaetodon octofasciatus
Habitat
Found in coral-rich reef environments throughout the Indo-Pacific region.
Conservation
Not listed as endangered but sensitive to coral reef degradation due to its dietary dependency.
Lifespan
Typically lives 5–7 years in the wild; less in captivity due to dietary limitations.
Fun Fact
Eightband Butterflyfish have a black spot ringed in white on their tail base, which helps confuse predators.
Diet
Specialized corallivore – feeds mainly on live coral polyps, making it difficult to sustain in aquarium settings.
Average Size
Reaches up to 12 cm (4.7 inches) in total length.
Location / Placement info
Displayed in the Coastal Reef Exhibit, near the Ocean-View Tunnel
FAQ
What is the lifespan of the Eightband Butterflyfish?
Eightband Butterflyfish can live up to 5–7 years in captivity, but they are difficult to maintain.
What do Eightband Butterflyfish eat?
They primarily feed on coral polyps and small invertebrates, making them obligate corallivores.
Are Eightband Butterflyfish aggressive?
No, they are peaceful but may become shy and stressed in community tanks.
What is the ideal tank size for Eightband Butterflyfish?
A minimum of 75–100 gallons with mature live rock and stable conditions is ideal.
Do Eightband Butterflyfish need a reef environment to survive?
Yes, they require coral-rich reef environments as they rely on coral polyps for food.
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