🐠 Segmented Sailfin Blenny (Salarias segmentatus)
Segmented Sailfin Blenny (Salarias segmentatus)
Marine Fish • Reef-Safe Grazer • Rock Percher • Algae Control
📋 The Segmented Sailfin Blenny (Salarias segmentatus) is a hardy, reef-safe algae grazer prized for its distinct segmented dorsal fin and fine orange spotting across a pale or mottled body. Constantly perched and grazing, it keeps nuisance algae under control while adding character and movement to reef aquariums.
Peaceful yet full of personality, this blenny spends most of its time scanning rocks for algae films. It’s an excellent utility fish for reef systems, contributing both function and subtle beauty.
💡 Highlights
✨ Segmented Dorsal Fin: Unique, sail-like fin adds visual motion
⚪ Natural Algae Grazer: Reduces film and turf algae naturally
📏 Peaceful and Hardy: Ideal for reef aquariums
✅ Coral-Safe: Does not nip or damage coral tissue
🐠 Rock-Perching Behavior: Engaging, curious, and visible
🧾 A Quick Look at the Segmented Sailfin Blenny
📛 Common Name: Segmented Sailfin Blenny
🔬 Scientific Name: Salarias segmentatus
👨👩👧 Family: Blenniidae
🌍 Origin: Indo-Pacific – Red Sea to Western Pacific
📏 Max Size: 13 cm (≈ 5″)
💧 pH Range: 8.1 – 8.4
🌡️ Temperature Range: 24 – 28 °C (≈ 75 – 82 °F)
🧠 Care Level: Easy
💖 Temperament: Peaceful; may defend a rock perch
🪸 Reef Safe: ✅ Yes
🏠 Min Tank Size: 114 L (≈ 30 US gallons)
📌 Tank Level: Bottom to mid — prefers rock ledges and perches
🧬 Captive Bred: ❌ No
🌿 Wild Caught: ✅ Yes
⏳ Lifespan: 4 – 6 years
🍽️ Diet: Herbivore/Omnivore — film algae, detritus, microfauna
🐣 Reproduction: Egg-layer; male guards nest

















