Blue Face Koi Tang - Zebrasoma Scopas - WYSIWYG

Common Name: Sailfin Tang

Scientific Name: Zebrasoma desjardini

Family: Acanthuridae

Size: Up to 15 inches (38 cm)

Temperament: Semi-aggressive

Difficulty: Moderate

Native Region: Found throughout the Red Sea and western Indo-Pacific, inhabiting coral-rich lagoons and outer reef slopes.

Reef Safe: Yes

Tank Size: Minimum of 180 gallons

Temperature: 74–80°F (23–27°C)

pH: 8.0–8.4

Salinity: 1.023–1.025

Substrate: Live rock with ample swimming space; provide caves and rockwork for grazing and security.

• Diet: Primarily herbivorous—offer dried nori, algae sheets, and spirulina-based foods; supplement with frozen foods for variety.

• Behavior: Can be territorial toward other tangs, especially similar-shaped species; best added last.

• Growth: Rapid growth when well-fed—plan long-term tank size accordingly.

• Health: Prone to marine ich if stressed; stable water quality and a varied diet are essential.