Ruby Red Dragonet - Synchiropus sycorax
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The Ruby Red Dragonet (Synchiropus sycorax) is a vibrant and active reef fish prized for its brilliant red and orange coloration and intricate patterning. This dragonet is a peaceful bottom-dweller that adds striking color and movement to mature reef aquariums but requires careful attention to diet and tank setup.
Common Name: Ruby Red Dragonet
Scientific Name: Synchiropus sycorax
Family: Callionymidae
Size: Up to 3 inches (7.5 cm)
Temperament: Peaceful
Difficulty: Moderate
Reef Safe: Yes
Native Region: Found throughout the Indo-Pacific, including Indonesia and the Philippines, typically inhabiting sandy lagoon floors and coral rubble areas.
Tank Size: Minimum of 30 gallons
Temperature: 74–80°F (23–27°C)
pH: 8.0–8.4
Salinity: 1.023–1.025
Substrate: Deep sand bed with live rock; provides hiding spots and a natural environment for foraging.
• Diet: Carnivorous—requires a steady supply of live or frozen foods such as copepods, brine shrimp, and mysis shrimp. May take time to transition to frozen or prepared diets.
• Behavior: Peaceful bottom-dweller; spends most of its time hunting small invertebrates in the sand.
• Tankmates: Compatible with peaceful reef species; avoid aggressive or highly territorial fish that may outcompete it for food.
• Care Note: Best maintained in mature tanks with established microfauna to ensure consistent food availability.