Description
A bright, solid lemon-yellow surgeonfish with a laterally compressed body and pointed snout. Philippine variants may appear slightly deeper-bodied or subtly different in tone compared to Hawaiian specimens, but care is the same. Highly active, constantly grazing, and one of the most iconic marine aquarium fish.
Lighting
Moderate to strong lighting
(Enhances vibrant yellow coloration and supports algae growth)
Placement (Aquarium Zone)
Mid to upper water column
Needs ample open swimming space plus live rock for grazing
Temperature
24–27°C (75–81°F)
Salinity
1.020–1.025 SG
pH
8.1–8.4
Alkalinity
8–12 dKH
Diet
Herbivore
Marine algae (nori, seaweed sheets)
Spirulina-based foods
Algae growing on live rock
Occasional mysis or brine shrimp
Adult Size (up to)
~18–20 cm (7–8 inches)
Care Level
Intermediate
(Hardy but needs space, stable water, and proper diet)
Compatibility
Semi-aggressive (especially toward other tangs, particularly same genus)
Best kept singly unless tank is large
Reef-safe (does not harm corals)
Compatible with most community reef fish
Avoid mixing with similar-shaped tangs in smaller aquariums
