ReefDock
MarketplaceSellHow it worksFAQ
  1. Home
  2. /Shop
  3. /Livestock
  4. /Fish
  5. /Yellow Cardinalfish

Yellow Cardinalfish (Ostorhinchus luteus)

Find Yellow 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.

Yellow Cardinalfish
Photo: Debra Baker · CC BY 4.0
Some retailer links may earn ReefDock a small commission at no extra cost to you. Learn more.

Where to buy Yellow Cardinalfish

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

  • Saltwaterfish

    Search this retailer

    Search Saltwaterfish
  • Amazon

    Search this retailer

    Search Amazon
  • Petco

    Search this retailer

    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

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.

Related fish

  • Acares Midget Reef Chromis

    Chromis acares

  • Achilles Tang

    Acanthurus achilles

  • Adorned Wrasse

    Halichoeres cosmetus

  • African Basslet

    Liopropoma africanum

  • African Pygmy Angelfish

    Centropyge acanthops

  • Agile Chromis

    Chromis agilis

  • Aiptasia Eating Filefish

    Acreichthys tomentosus

  • Allard's Clownfish

    Amphiprion allardi

ReefDock

The reef marketplace built around live-arrival accountability. Sister app to Reef Trak.

Questions? support@reeftrak.com

Marketplace

  • Browse all listings
  • Auctions
  • Trades
  • Sell on ReefDock

Categories

  • Corals
  • Fish
  • Invertebrates
  • Equipment
  • Frags

About

  • How it works
  • Fees and payouts
  • About ReefDock
  • FAQ
  • ReefTrak integration
  • Marketplace rules
  • Affiliate disclosure

© 2026 ReefDock · Privacy · Terms