The Yellowhead Butterflyfish is a striking marine fish native to the Indian Ocean, renowned for its bright yellow head and chevron‑patterned body.
Scientific Name
Chaetodon xanthocephalus
Habitat
Found in coral‑rich reefs of the western Indian Ocean (East Africa, Madagascar, Sri Lanka, Maldives) down to depths of ~1‑30 m.
Conservation
Listed as Least Concern (LC) by the IUCN. However, habitat degradation (especially coral reef loss) and collection for the aquarium trade pose threats.
Lifespan
Can live around 8–10 years in captivity when cared for properly (wild lifespan may be longer).
Fun Fact
Hybridisation with the Saddled Butterflyfish (Chaetodon ephippium) has been recorded in wild overlapping ranges.
Diet
Omnivorous with a tendency toward corals and small invertebrates; in aquaria accepts meaty frozen foods and algae‑based items. (Reef App)
Average Size
Grows to a maximum of about 20 cm (≈8 inches).
Location / Placement info
Displayed in the Coastal Reef Exhibit, near the Ocean-View Tunnel
FAQ
What is the lifespan of a Yellowhead Butterflyfish?
In captivity, they can live for 5–7 years with proper care; longer in the wild.
What do they eat?
They are omnivores, feeding on coral polyps, algae, small invertebrates, and prepared marine foods.
Are Yellowhead Butterflyfish aggressive?
No, they are peaceful, but can be territorial with other butterflyfish.
What is the ideal tank size?
A minimum of 100 gallons is recommended to accommodate their active swimming and grazing.
Do they need a specific environment?
Yes, they thrive in reef-style tanks with live rock, coral structures, and stable salinity.
How big do they grow?
Yellowhead Butterflyfish can grow up to 8 inches (20 cm) in length.
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