Description
Yellow Kole Eye Tang – Ctenochaetus strigosus
Ctenochaetus strigosus, known as the Yellow Kole Eye Tang or Bristletooth Tang, is a hardy and active herbivore valued for its constant grazing behavior and golden-brown to mustard-yellow coloration. Distinguished by the bright yellow ring encircling its eye and fine bristle-like teeth used for scraping film algae, this tang is both functional and visually appealing, making it a favorite among reef aquarists.
Origin: Central Pacific – primarily endemic to the Hawaiian Islands and Johnston Atoll
Depth: 2–40 m (6–130 ft)
Lighting: Moderate to high (enhances golden hue and iridescent sheen)
Flow: Moderate to strong; appreciates brisk, oxygen-rich conditions
Tank Placement: Mid to lower water column; requires open swimming space and live rock for grazing
Temperature: 75–80°F (24–27°C)
Salinity: 1.022–1.026 SG
pH: 8.1–8.4
Diet: Herbivorous – grazes on film and detrital algae; supplement with nori, spirulina, and enriched herbivore diets
Temperament: Peaceful; may show mild territoriality toward other tangs, especially within the Ctenochaetus genus
Size: Up to 18 cm (7 inches)
Care Level: Intermediate – hardy and well-suited to reef systems with mature rockwork
Compatibility: Excellent community reef fish; safe with corals and most invertebrates
