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Yellow Cardinalfish (Ostorhinchus luteus)

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

Yellow Cardinalfish
Photo: Debra Baker · CC BY 4.0
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Where to buy Yellow 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 Yellow Cardinalfish

A small, slender cardinalfish with bright yellow coloration on the head and upper body, fading to pale yellow or whitish on the belly. Two distinct dark bands run vertically through the eyes and behind the gill covers, with a red iris characteristic of many cardinalfish.

Key facts

Diet Details
Feed small meaty foods such as finely chopped shrimp, mysis shrimp, and other frozen marine foods. Small live copepods and amphipods are also readily accepted. Feed 2–3 times daily in small portions.
Feeding Schedule
Feed 2-3 times daily
Origin
Indo-Pacific region from the Red Sea through Indonesia and the Philippines to Samoa.
Max Size
3.5
Care Level
Moderate
Care Requirements
• Minimum 30-gallon aquarium, preferably 40+ gallons • Stable water: 72-78°F, pH 8.1-8.3, salinity 1.023-1.025 • Well-established reef with moderate lighting and gentle flow • Feed quality meaty foods (mysis, copepods) 2-3× daily • Keep singly or in pairs; may be territorial with conspecifics
Temperament
Peaceful
Min tank size
30 gallons
Difficulty Level
Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.
Appearance
A small, slender cardinalfish with bright yellow coloration on the head and upper body, fading to pale yellow or whitish on the belly. Two distinct dark bands run vertically through the eyes and behind the gill covers, with a red iris characteristic of many cardinalfish.
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025
Family
Apogonidae

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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