Yellowstriped Cardinalfish

The Yellowstriped Cardinalfish (Apogon cyanosoma) is a peaceful and attractive marine fish known for its subtle yellow stripes and calm nature. Its small size and gentle behavior make it an excellent choice for reef aquariums and community saltwater tanks.

Native to the Indo-Pacific region, this nocturnal species is often found sheltering among coral branches and rocky structures during the day, becoming more active at night.

Behavior & Diet:

• Peaceful and shy species
• Nocturnal (more active at night)
• Carnivorous diet
• Feeds on small meaty foods such as brine shrimp, mysis shrimp, and zooplankton

Care Requirements:

• Minimum tank size: 80–100 liters
• Provide caves, coral branches, or rockwork for shelter
• Prefer dim lighting or shaded areas
• Best kept in small groups or pairs

Reef Compatibility:

• Fully reef safe
• Safe with corals and invertebrates
• Excellent for peaceful community reef tanks

Tips:

• Feed in the evening or after lights dim
• Keep in calm tanks with non-aggressive fish
• Provide stable water parameters for long-term health