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Milletseed Butterflyfish (Chaetodon miliaris)

Find Milletseed Butterflyfish across reef-livestock retailers and from fellow hobbyists on ReefDock. Compare sources, check live pricing where available, and review source-tank parameters on Reef-Trak-verified fish listings before you buy.

Milletseed Butterflyfish
Photo: cello · CC BY 4.0
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Where to buy Milletseed Butterflyfish

ReefDock searches the following reef retailers for this fish. Click through to see the live price.

  • Saltwaterfish

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    Search Saltwaterfish
  • Amazon

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  • Petco

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    Search Petco

About Milletseed Butterflyfish

Small butterflyfish with yellow coloration and distinctive black spots covering the body and fins, resembling millet seeds (hence the common name). The body is laterally compressed with a pointed snout typical of the genus Chaetodon. Reaches approximately 5 inches in length.

Key facts

Care Requirements
• Minimum 75 gallon tank with plenty of live rock for grazing and shelter • Temperature range 72–78°F; maintain stable pH 8.1–8.3 and salinity 1.023–1.025 • Feed a varied omnivorous diet including high-quality flakes, small pellets, and occasional live/frozen foods (copepods, mysis shrimp, chopped seafood) • Feed 2–3 times daily in small amounts; provide natural grazing opportunities • Can be somewhat shy and territorial toward conspecifics; best maintained singly or in established pairs • Requires excellent water quality and regular maintenance to thrive long-term
Max Size
5.1
Feeding Schedule
2-3 times daily
Diet
omnivore
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Care Level
Moderate
Family
Chaetodontidae
Min tank size
75 gallons
Difficulty Level
Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.
Temperament
Peaceful
Common Health Issues
Marine Ich, Fin Rot, Swim Bladder Disorder, Bacterial Infections, Fungal Infections
Appearance
Small butterflyfish with yellow coloration and distinctive black spots covering the body and fins, resembling millet seeds (hence the common name). The body is laterally compressed with a pointed snout typical of the genus Chaetodon. Reaches approximately 5 inches in length.

Looking for a hobbyist seller?

ReefDock's marketplace lets reef-keepers sell fish directly to other reef-keepers with Stripe-secured checkout and live-arrival photo confirmation. Browse current fish listings on ReefDock, or list your own.

Verify the source tank before you buy

ReefDock is the sister app to Reef Trak. Sellers who maintain a Reef Trak tank log can publish source-tank parameters on eligible fish listings — so you can see the conditions a fish was raised in before you buy. Log this fish on Reef Trak.

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