Gold Nugget Maroon Clownfish - Premnas Biaculeatus
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The Gold Nugget Maroon Clownfish (Premnas biaculeatus) is a visually striking saltwater clownfish, with juveniles displaying a white body that gradually turns gold with age, while all fins and the face remain deep red. This semi-aggressive species adds bold color and character to reef aquariums.
Common Name: Gold Nugget Maroon Clownfish
Scientific Name: Premnas biaculeatus
Family: Pomacentridae
Size: Up to 6 inches (15 cm)
Temperament: Semi-aggressive
Difficulty: Moderate
Reef Safe: Yes
Native Region: Found throughout the Indo-Pacific, including Indonesia, Papua New Guinea, and northern Australia, typically inhabiting sheltered lagoons and reef crevices.
Tank Size: Minimum of 50 gallons
Temperature: 74–80°F (23–27°C)
pH: 8.0–8.4
Salinity: 1.023–1.025
Substrate/Decor: Provide live rock with plenty of hiding spots and crevices; suitable for hosting anemones if desired.
• Behavior: Semi-aggressive; may defend territory against other clownfish or similar-sized species.
• Diet: Omnivorous—feeds on flakes, pellets, and small frozen meaty foods.
• Tankmates: Compatible with most reef-safe fish; avoid very small or timid species.