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Spotnape Cardinalfish (Apogon notatus)

Find Spotnape 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.

Spotnape Cardinalfish
Photo: Wikimedia Commons contributors · CC BY-SA 2.5
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Where to buy Spotnape 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 Spotnape Cardinalfish

The Spotnape Cardinalfish is a small, stocky fish with a reddish-orange body and distinctive white or pale spots on the nape (back of head). It has a rounded body shape typical of cardinalfish, large eyes adapted for low-light environments, and a slightly forked tail fin.

Key facts

Care Requirements
• Minimum 30 gallon tank for a single fish; cardinalfish are schooling in nature and do better in groups in larger setups • Prefers low to moderate light and plenty of rockwork for shelter and daytime hiding • Temperature range 72–78°F, pH 8.1–8.3, salinity 1.020–1.026 • Nocturnal feeder; feed high-quality frozen meaty foods during evening hours or in subdued lighting • Compatible with most reef-safe fish but may predate very small shrimp and crustaceans; avoid pairing with aggressive species
Common Health Issues
Starvation from inadequate feeding, parasitic infections, bacterial infections from poor water quality
Care Level
Moderate
Temperament
Peaceful
Min tank size
30 gallons
Appearance
The Spotnape Cardinalfish is a small, stocky fish with a reddish-orange body and distinctive white or pale spots on the nape (back of head). It has a rounded body shape typical of cardinalfish, large eyes adapted for low-light environments, and a slightly forked tail fin.
Difficulty Level
Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.
Diet Details
Feed small meaty foods such as finely chopped marine flesh, frozen mysis shrimp, and small frozen copepods. Cardinalfish are nocturnal hunters and feed best when offered food in dimmer lighting or at night.
Feeding Schedule
1-2 times daily
Max Size
3.5
Origin
Indo-Pacific region, ranging from the Red Sea and East Africa to the Philippines and beyond. Found in coral reef environments at moderate depths.
Reef safety
Reef Safe

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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