sailfin tang
Zebrasoma veliferum
Also known as: Eastern Sailfin Tang
A reef tang that unfurls its fins like a sail when threatened or showing off.
About
The sailfin tang (Zebrasoma veliferum) is one of those fish that genuinely stops people in their tracks when it spreads its dorsal and anal fins to full extension. The profile shifts from slim and disc-like to almost circular, which is where the common name comes from. In the wild, it ranges widely across the Indo-Pacific and into the Red Sea, where it grazes on algae across reef flats and along rubble zones, often in small loose groups. Coloration varies quite a bit depending on origin, with detailed yellow, brown, and white banding that gives each fish a slightly different look. In the aquarium, the sailfin tang is a committed herbivore and needs a consistent supply of algae-based foods to stay healthy and keep its color. Dried nori sheets, spirulina-based pellets, and whatever naturally grows on live rock all go on the menu. It can be territorial with other tangs, particularly similar-looking species, so tankmate choices matter. This fish grows substantially larger than many hobbyists expect, so it really belongs in a spacious system with plenty of open water for swimming. A reasonable choice for someone with a bit of tang-keeping experience under their belt.
Similar species
Other fish you might consider
Frequently asked questions
- How big does the sailfin tang get?
- The sailfin tang reaches about 9–10" as an adult.
- What water parameters does the sailfin tang need?
- The sailfin tang does best with a temperature of 72–82°F, a pH of 8–8.4.
- Is the sailfin tang aggressive?
- The sailfin tang is semi-aggressive. It can work in a community with careful tankmate choices and enough space.
- What does the sailfin tang eat?
- The sailfin tang is a herbivore. It needs a plant-based diet such as algae, blanched vegetables, or spirulina-based foods.
- Is the sailfin tang reef safe?
- The sailfin tang is generally considered reef safe.