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Transparent Cardinalfish (Apogon crassiceps)

Find Transparent 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.

Transparent Cardinalfish
Photo: (c) sharkdevotee, some rights reserved (CC BY-NC) · cc-by-nc
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Where to buy Transparent 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 Transparent Cardinalfish

The Transparent Cardinalfish has a largely translucent to semi-transparent body with a silvery sheen, allowing internal organs to be visible. It features a distinctive large, dark eye and a small mouth typical of the cardinalfish family. Body shape is elongate and compressed, with reddish-orange coloration on the fins and along the lateral line.

Key facts

Origin
Indo-Pacific region, including the Great Barrier Reef and surrounding reefs from the Philippines to Australia.
Common Health Issues
Nutritional deficiency, parasitic infection, poor feeding response in new tanks
Appearance
The Transparent Cardinalfish has a largely translucent to semi-transparent body with a silvery sheen, allowing internal organs to be visible. It features a distinctive large, dark eye and a small mouth typical of the cardinalfish family. Body shape is elongate and compressed, with reddish-orange coloration on the fins and along the lateral line.
Max Size
3
Feeding Schedule
1-2 times daily
Family
Apogonidae
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Min tank size
20 gallons
Diet Details
Feed small frozen or live foods such as mysis shrimp, small crustaceans, and copepods. Offer food 1-2 times daily in small portions that the fish can consume readily.
Reef safety
Reef Safe
Difficulty Level
Moderate difficulty. The Transparent Cardinalfish requires stable water conditions, proper feeding with small live or frozen foods, and a calm environment with hiding spots. They are nocturnal and may be shy, especially when first introduced.
Diet
carnivore

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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