Description
Common Boxfish – Rhynchostracion nasus
Overview:
The Common Boxfish is a small, charming marine fish with a distinctive box-shaped body and bright coloration. Known for its slow, deliberate swimming and unique appearance, it adds a fascinating visual element to reef and marine community aquariums.
Origin:
Native to the Indo-Pacific region, including Indonesia, the Philippines, and northern Australia.
Feeding:
Omnivorous — feeds on meaty foods such as mysis shrimp, brine shrimp, chopped seafood, and marine algae. Regular feeding ensures proper nutrition and overall health.
Tank Mates:
Suitable for peaceful to moderately aggressive community tanks, though care should be taken to avoid very small or delicate fish.
Aggression:
Generally peaceful, relying on its tough, boxy body for protection.
Experience Level:
Recommended for intermediate to advanced aquarists, due to its dietary needs, sensitivity to water quality, and specialized care requirements.
Water Parameters:
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Temperature: 74–80°F (23–27°C)
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pH: 8.1–8.4
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Salinity: 1.020–1.025
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Minimum Tank Size: 75+ gallons
Unique, colorful, and hardy, the Common Boxfish is an intriguing addition that provides both personality and visual interest to larger marine aquariums.




