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Blackbelted Cardinalfish (Archamia zosterophora)

Find Blackbelted Cardinalfish across reef-livestock retailers on ReefDock. Compare sources, check known pricing where available, and review care information before you buy.

Blackbelted Cardinalfish
Photo: Rickard Zerpe · CC BY 2.0
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Where to buy Blackbelted Cardinalfish

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

  • Saltwaterfish

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  • Amazon

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  • Petco

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About Blackbelted Cardinalfish

The Blackbelted Cardinalfish is a small, slender fish reaching about 3 inches at maturity. It displays a silvery-white body with a distinctive wide black vertical band running through the middle of the body, from the dorsal region to the anal fin. The head is small, the mouth terminal, and the body is somewhat compressed laterally.

Key facts

Diet Details
Feed small meaty zooplankton-sized prey such as mysis shrimp, copepods, brine shrimp, and finely minced fish. They are nocturnal foragers and should be fed multiple times daily to ensure adequate nutrition, particularly when kept in the presence of more aggressive competitors.
Max Size
3
Origin
Indo-Pacific, ranging from the Red Sea and East Africa through Indonesia and the Philippines to Fiji and the Great Barrier Reef. Found in shallow coral reef environments, typically at depths of 5-50 meters.
Feeding Schedule
2-3 times daily
Care Requirements
• Minimum 30 gallon tank with plenty of live rock and hiding spaces • Nocturnal; prefers dimly lit areas and small cave refuges • Temperature range 72–78°F; pH 8.1–8.3; Salinity 1.020–1.025 • Feed small meaty foods such as mysis shrimp, copepods, and finely chopped fish 2–3 times daily • Generally peaceful but may prey on very small ornamental shrimp; best kept in pairs or small groups in established reef tanks
Common Health Issues
Ich, fin rot, parasitic infections in newly imported specimens
Care Level
Moderate
Appearance
The Blackbelted Cardinalfish is a small, slender fish reaching about 3 inches at maturity. It displays a silvery-white body with a distinctive wide black vertical band running through the middle of the body, from the dorsal region to the anal fin. The head is small, the mouth terminal, and the body is somewhat compressed laterally.
Difficulty Level
Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.
Temperament
Peaceful
Min tank size
30 gallons
Reef safety
Reef Safe

Research before you buy

ReefDock is the sister app to Reef Trak. Use Reef Trak to research and log fish, keep tank parameters organized, and maintain a complete livestock history. Log this fish on Reef Trak.

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