On the reef, this species scrapes algae and organic material from rock and sand using its specialized bristle-like teeth, taking in a steady stream of fine material rather than large bites of plant matter. That grazing pattern should guide captive feeding: build the diet around algae-based offerings, including spirulina, dried marine algae, and herbivore flake, and supplement with frozen and live foods for variety.

Small, frequent meals suit a fish that feeds almost continuously in nature. A mature aquarium with productive rockwork covers part of the requirement on its own, but when film and turf algae are sparse, increase feeding frequency and lean more heavily on algae-rich foods to keep body condition and immune function strong. Watch the belly profile closely during the first weeks after introduction, since thinning is the earliest sign that grazing opportunity is falling short.

Expect an active, constantly moving grazer that patrols rock and sand throughout the daylight hours and retreats to a chosen crevice at night. This species is aggressive, particularly toward fish of similar shape or coloration, and rivalry is most intense with other Ctenochaetus and other surgeonfish. Housing more than one tang together demands a large footprint, simultaneous introduction, and multiple sight breaks; even then, conflict is a real possibility. Adding this fish after bolder, more established species are already settled reduces the chance that it claims the entire system as territory.

Unrelated tankmates of different body form generally fare better, and stocking should favor robust community fish able to hold their own rather than small, timid species. This tang is not considered reef safe under our final assessment, so it should be kept out of mixed coral displays where grazing pressure and constant activity around rockwork are unwelcome. Sessile invertebrates, clams, snails, and hermit crabs are not typical targets, but a fish-focused system with abundant rock remains the better fit.