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Japanese Angelfish (Genicanthus semifasciatus)

Find Japanese Angelfish 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.

Japanese Angelfish
Photo: User:Izuzuki · CC BY 4.0
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Where to buy Japanese Angelfish

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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    Search Amazon
  • Petco

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    Search Petco

About Japanese Angelfish

A striking small angelfish with a predominantly silvery-white body marked by distinctive vertical dark bands (typically 4–5 bands). The head is yellow-orange, and the dorsal and anal fins display yellow edging. The body shape is laterally compressed and disk-like, typical of pomacanthid angelfish.

Key facts

Temperament
Peaceful
Diet Details
Feeds primarily on zooplankton and small crustaceans in the wild. In captivity, offer high-quality frozen foods (mysis shrimp, copepods, brine shrimp) 2–3 times daily, supplemented with quality flake foods and occasional vegetable matter. Live copepod cultures help ensure proper nutrition.
Origin
Indo-Pacific region, found in coral reef environments from Indonesia to the Philippines and surrounding waters. Inhabits steep outer reef slopes at depths typically between 40–200 meters.
Reef safety
Reef Safe
Appearance
A striking small angelfish with a predominantly silvery-white body marked by distinctive vertical dark bands (typically 4–5 bands). The head is yellow-orange, and the dorsal and anal fins display yellow edging. The body shape is laterally compressed and disk-like, typical of pomacanthid angelfish.
Common Health Issues
Nutritional deficiencies, parasitic infections (marine ich, velvet), HLLE (head and lateral line erosion), bacterial infections
Care Level
Expert
Family
Pomacanthidae
Min tank size
75 gallons
Difficulty Level
This deep-water angelfish demands excellent water quality, stable conditions, and specialized feeding. It is not suitable for beginners and requires significant husbandry experience to thrive long-term in captivity.
Diet
omnivore
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025

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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