Scarus quoyi (Parrotfish)

Scientific Name: Scarus quoyi
Family: Scaridae
Origin: Indo-Pacific Ocean
Care Difficulty: Moderate – Difficult
Temperament: Semi-aggressive (territorial as it grows)
Diet: Herbivore (algae grazer)
Minimum Aquarium Size: 500 liters
Maximum Size: 35–40 cm
Temperature: 24–27°C
Salinity: 1.023–1.025 SG
pH: 8.1–8.4
Reef Compatibility: Caution (may scrape rock and coral surfaces)

Quoy’s Parrotfish is a large parrotfish species known for its strong jaw structure and vibrant color transitions. In an aquarium, it constantly scrapes rock surfaces and algae for food, thus playing an important role as an "algae controller" in reef ecosystems.

Considerations

• Requires a very large aquarium
• Can erode live rock and coral surfaces
• Strong filtration and stable water parameters are essential
• Not suitable for smaller systems
• Should be kept as a single specimen or with suitable tank mates