Description
A rare aberrant (color variant) form of the Blackstreak Surgeonfish. Typically displays a pale grey to bluish body with a distinct dark horizontal streak along the flank, though aberrant individuals may show unusual or intensified markings. Like other surgeonfish, it has a sharp “scalpel” spine at the base of the tail. Active swimmer and constant grazer.
Lighting
Moderate to strong lighting
(Enhances natural coloration and supports algae growth for grazing)
Placement (Aquarium Zone)
Mid-water to upper swimming areas
Requires large open swimming space and some rockwork 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 (with some omnivorous behavior)
Marine algae (nori, seaweed sheets)
Spirulina-based foods
Algae-growing live rock
Occasional mysis or brine shrimp
Adult Size (up to)
~18–22 cm (7–9 inches)
Care Level
Intermediate to advanced
(Needs excellent water quality and ample swimming space)
Compatibility
Semi-aggressive (especially toward other tangs)
Best kept singly unless in a very large tank
Compatible with most non-aggressive reef fish
Reef-safe (does not bother corals)
Avoid housing with similar-shaped surgeonfish to reduce aggression

