Golden Gregory Damsel - Stegastes aureus
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The Golden Gregory Damsel (Stegastes aureus) is a bright and active saltwater fish, displaying a solid golden-yellow body. This semi-aggressive damsel adds movement and color to reef aquariums.
Common Name: Golden Gregory Damsel
Scientific Name: Stegastes aureus
Family: Pomacentridae
Size: Up to 4 inches (10 cm)
Temperament: Semi-aggressive
Difficulty: Easy
Reef Safe: With caution
Native Region: Found throughout the Indo-Pacific, including Hawaii and the central Pacific, typically inhabiting shallow reef flats and coral heads.
Tank Size: Minimum of 30 gallons
Temperature: 74–80°F (23–27°C)
pH: 8.0–8.4
Salinity: 1.023–1.025
Substrate/Decor: Provide live rock with crevices for hiding and establishing territories.
• Behavior: Semi-aggressive; will defend its territory against other fish.
• Diet: Omnivorous—feeds on algae, flakes, pellets, and small frozen foods.
• Tankmates: Best with robust or similarly semi-aggressive species; avoid very timid fish.
• Reef Notes: Generally reef safe with caution; may nip at soft corals or sessile invertebrates.