Sailfin Tang, or Zebrasoma veliferum, is a strikingly beautiful marine fish known for its bold stripes, vibrant fins, and graceful swimming style. Popularly called “baby tang” by divers and aquarium lovers, this species is commonly spotted in the coral reefs of the Andaman Sea.
If you’re snorkeling in Thailand’s top spots like the Similan Islands, Surin Islands, or Phi Phi Islands, don’t be surprised if you see a striped fish gliding elegantly over the corals — that’s likely the iconic Sailfin Tang.
Table of Contents
🐠 Quick Facts About the Sailfin Tang
- Scientific Name: Zebrasoma veliferum
- Common Name: Sailfin Tang, Baby Tang
- Family: Acanthuridae (Surgeonfish family)
- Size: Can grow up to 40 cm (rarely over 25 cm when young)
- Habitat: Coral-rich lagoons, outer reef slopes, and drop-offs
- Distribution: Widespread across the Indo-Pacific, including Thailand’s Andaman coast
🎨 How to Recognize a Sailfin Tang?
- Vertical black-and-yellow or black-and-white zebra-like stripes along the body
- Large dorsal and anal fins that flare out like a sail when threatened or displaying
- Their fins become much larger compared to the body, especially when viewed from the side
- Juveniles are more vibrant, with sharper contrast in their striping
🧪 Behavior & Role in the Ecosystem
Sailfin tangs are herbivorous fish that graze on algae, helping prevent coral overgrowth by seaweed. This makes them important reef cleaners and keeps the ecosystem healthy for other marine life.
They are territorial but not aggressive, and often seen feeding solo or in small groups. Their presence is a good sign of a healthy reef.
📍 Where Can You See Them?
Sailfin tangs are commonly found in:
They thrive in clear, tropical waters with complex coral structures, making the Andaman Sea an ideal home.
📸 Tips for Spotting Them
- Look for areas with healthy corals and algae patches
- They usually swim close to corals, especially during the day
- Use natural light or gentle strobes — their stripes pop beautifully in photos
- Be patient — they may hide briefly but often re-emerge nearby
🐟 Aquarium Fame & Conservation
Sailfin tangs are also popular in saltwater aquariums, but harvesting them from the wild can be harmful if done irresponsibly. Supporting eco-friendly snorkeling tours helps reduce demand for wild capture and promotes in-situ appreciation.
📩 Ready to Spot the Sailfin Tang in the Wild?
The vibrant reefs of the Andaman Sea are home to the beautiful Sailfin Tang, and you don’t have to be a professional diver to see them. Join one of our guided snorkeling tours and encounter this striped marvel in its natural habitat.
🛥️ Explore Our Recommended Tours:
- Similan Islands Snorkeling Tour – Known for crystal-clear waters and vibrant reef life
- Surin Islands with Moken Village – Great for spotting Sailfin Tangs in shallow coral gardens
- Phi Phi Island Snorkeling Trip – Ideal for beginner snorkelers and marine photographers
📲 Follow Our Ocean Journey:
- Facebook: Love Andaman
- Instagram: @loveandaman
- Lemon8: @loveandaman_8844
Discover more tours and marine experiences at www.loveandaman.com 🌊
Let the sea surprise you — one fin at a time.