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Iridescent Cardinalfish (Apogon kallopterus)

Find Iridescent Cardinalfish 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.

Iridescent Cardinalfish
Photo: NPS photo by Paul Brown · Public domain
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Where to buy Iridescent Cardinalfish

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 Iridescent Cardinalfish

A small, stocky cardinalfish with iridescent blue-violet coloration on the head and body. The eyes are characteristically large and the body compressed laterally. Two dorsal fins are present, with the rear body and tail showing reddish or orange tones that create an attractive two-tone effect.

Key facts

Difficulty Level
Moderate difficulty. This species requires stable water conditions and suitable prey foods, but is peaceful and relatively hardy once established in the aquarium. The main challenge is securing a consistent supply of appropriately-sized live or frozen foods and providing adequate refuge.
Min tank size
30 gallons
Family
Apogonidae
Care Level
Moderate
Origin
Indo-Pacific region, ranging from the Red Sea and East Africa through to the Great Barrier Reef and beyond. Found in coral reef environments at moderate to deeper depths.
Diet Details
Feed small meaty foods including frozen mysis shrimp, frozen copepods, and small live foods. Offer 1-2 times daily in small portions appropriate to mouth size.
Reef safety
Reef Safe
Common Health Issues
Starvation if not offered suitable small prey, parasitic infections, lateral line disease if water quality is poor
Appearance
A small, stocky cardinalfish with iridescent blue-violet coloration on the head and body. The eyes are characteristically large and the body compressed laterally. Two dorsal fins are present, with the rear body and tail showing reddish or orange tones that create an attractive two-tone effect.
Temperament
Peaceful
Feeding Schedule
1-2 times daily
Max Size
3.5

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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