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The Desjardini Sailfin Tang (Zebrasoma desjardinii), also known as the Indian Ocean Sailfin Tang, is a majestic and highly popular marine species featuring a dramatically compressed, disk-shaped body adorned with intricate golden-yellow vertical bands, glowing blue-grey spots on its face, and complex geometric flecking across its abdomen. It is famous for its colossal, fan-like dorsal and anal fins, which it can instantly erect like a massive sail when displaying or defending territory. As one of the largest members of the Zebrasoma genus, it adds unparalleled visual architecture and movement to an aquarium, while pulling heavy double-duty as an elite consumer of nuisance algae.
Tank Requirements
Minimum Tank Size: 180 gallons or larger; though frequently purchased as a tiny juvenile, it grows rapidly and requires a tank at least six feet long to accommodate its massive adult fins and swimming power.
Aquarium Decor: Open middle and upper swimming lanes paired with a foundational base of mature live rock; it needs massive, tall arches to swim through without tearing its tall sails on sharp rock edges.
Temperature: 72°F – 78°F (22°C – 26°C).
Salinity (Specific Gravity): 1.020 – 1.025.
pH Range: 8.1 – 8.4.
Care and Feeding
Diet: Herbivore; has a very high metabolism and requires continuous grazing opportunities. Provide a heavy daily supply of dried marine algae sheets (nori), spirulina flakes, and high-quality herbivore pellets, supplemented with occasional frozen mysis shrimp to support its broad body mass.
Reef Safe Rating: Reef safe; it is completely peaceful and harmless toward small polyp stony (SPS) corals, large polyp stony (LPS) corals, soft corals, and mobile invertebrates.
Temperament: Semi-aggressive; it is generally peaceful toward non-tang community tank mates but can become fiercely territorial toward other members of the Zebrasoma family (like Yellow Tangs or Purple Tangs) or any fish introduced after it that shares a similar shape.
The Desjardini Sailfin Tang (Zebrasoma desjardinii), also known as the Indian Ocean Sailfin Tang, is a majestic and highly popular marine species featuring a dramatically compressed, disk-shaped body adorned with intricate golden-yellow vertical bands, glowing blue-grey spots on its face, and complex geometric flecking across its abdomen. It is famous for its colossal, fan-like dorsal and anal fins, which it can instantly erect like a massive sail when displaying or defending territory. As one of the largest members of the Zebrasoma genus, it adds unparalleled visual architecture and movement to an aquarium, while pulling heavy double-duty as an elite consumer of nuisance algae.
Tank Requirements
Minimum Tank Size: 180 gallons or larger; though frequently purchased as a tiny juvenile, it grows rapidly and requires a tank at least six feet long to accommodate its massive adult fins and swimming power.
Aquarium Decor: Open middle and upper swimming lanes paired with a foundational base of mature live rock; it needs massive, tall arches to swim through without tearing its tall sails on sharp rock edges.
Temperature: 72°F – 78°F (22°C – 26°C).
Salinity (Specific Gravity): 1.020 – 1.025.
pH Range: 8.1 – 8.4.
Care and Feeding
Diet: Herbivore; has a very high metabolism and requires continuous grazing opportunities. Provide a heavy daily supply of dried marine algae sheets (nori), spirulina flakes, and high-quality herbivore pellets, supplemented with occasional frozen mysis shrimp to support its broad body mass.
Reef Safe Rating: Reef safe; it is completely peaceful and harmless toward small polyp stony (SPS) corals, large polyp stony (LPS) corals, soft corals, and mobile invertebrates.
Temperament: Semi-aggressive; it is generally peaceful toward non-tang community tank mates but can become fiercely territorial toward other members of the Zebrasoma family (like Yellow Tangs or Purple Tangs) or any fish introduced after it that shares a similar shape.