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Modest Butterflyfish (Chaetodon modestus)

Find Modest 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.

Modest Butterflyfish
Photo: Kawahara Keiga · Public domain
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Where to buy Modest 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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About Modest Butterflyfish

The Modest Butterflyfish is a small, compressed laterally-flattened fish with a yellow-tan body and distinctive dark bands running vertically. It has a white face mask and dark eye-bar, with subtle white markings on the dorsal and anal fins that give it a modest appearance compared to more elaborately patterned butterflyfish species.

Key facts

Care Requirements
• 75+ gallon aquarium (larger for groups) • pH 8.1-8.3, salinity 1.020-1.025, temp 74-78°F • Strong lighting and moderate water flow • Live rock and coral décor for shelter and grazing surfaces • Varied diet: copepods, amphipods, small crustaceans, quality flake/pellet foods
Difficulty Level
Moderate difficulty. The Modest Butterflyfish requires a mature, stable reef aquarium with good water quality and varied live foods to encourage feeding. It may refuse prepared foods initially, making acclimation challenging for some hobbyists.
Reef safety
Reef Safe with Caution
Feeding Schedule
2-3 times daily
Diet
omnivore
Min tank size
75 gallons
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Appearance
The Modest Butterflyfish is a small, compressed laterally-flattened fish with a yellow-tan body and distinctive dark bands running vertically. It has a white face mask and dark eye-bar, with subtle white markings on the dorsal and anal fins that give it a modest appearance compared to more elaborately patterned butterflyfish species.
Common Health Issues
Ich, parasitic infections, poor feeding response in captivity, nutritional deficiencies
Care Level
Moderate
Family
Chaetodontidae
Max Size
5.5

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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