Description
Royal Gramma (Gramma loreto) is a colorful, cave-dwelling marine fish known for its striking purple-and-yellow coloration and generally peaceful behavior. It is well suited to reef aquariums and can become a long-term resident when provided with suitable rockwork, hiding places, and stable water conditions.
Lighting
Moderate to high
Primarily indirect ambient reef lighting. No specialized lighting is required for the fish itself.
Placement (Aquarium Zone)
Middle to lower reef
Provide caves, crevices, and overhangs within the rockwork. The fish will typically establish a preferred hiding area and may spend considerable time near it.
Temperature
24–27°C (75–81°F)
Salinity
1.025–1.026 SG
pH
8.1–8.4
Alkalinity
7–9 dKH
Consistency is more important than maintaining a specific value.
Calcium
420–450 ppm
Magnesium
1280–1380 ppm
Flow
Moderate, turbulent, indirect flow
Provide enough circulation to maintain good oxygenation and prevent detritus accumulation while avoiding excessively strong flow around its preferred shelter.
Diet
Carnivorous + Supplemental Feeding
Most of its diet consists of meaty marine foods.
Supplemental foods:
Mysis shrimp
Brine shrimp
Finely chopped marine seafood
Frozen carnivore preparations
High-quality marine pellets
Small marine crustaceans
Feed small portions regularly rather than large meals.
Adult Size (up to)
Approximately 8 cm (3 inches)
Growth Rate
Moderate
Care Level
Beginner to Intermediate

