🐟 Schooling Bannerfish (Heniochus diphreutes)
🐟 Schooling Bannerfish (Heniochus diphreutes)
Marine Butterflyfish • Reef-Safe Schooling Fish • Open-Water Swimmer • Reef Aquarium Fish
📋 The Schooling Bannerfish (Heniochus diphreutes) is a striking black-and-white marine species recognized for its elongated banner-like dorsal fin and natural schooling behavior.
In reef aquariums, it functions as an Active Mid-Water Schooling Display Fish, adding dramatic movement and contrast to spacious marine systems.
Unlike some butterflyfish relatives, this species is considered reef safe when properly fed.
With adequate swimming space and stable conditions, it thrives as a Reef-Safe Schooling Show Fish in established saltwater aquariums.
💡 Highlights
✨ Elegant Banner Dorsal Fin: Distinct trailing filament
🐟 Natural Schooling Behavior: Can be kept in groups
🌊 Active Open-Water Swimmer: Constant graceful movement
🧠 Hardier Butterfly Relative: Adaptable in stable systems
🏠 Reef Safe (with caution): Generally safe with corals
🧾 A Quick Look at the Schooling Bannerfish
📛 Common Name: Schooling Bannerfish
🔬 Scientific Name: Heniochus diphreutes
👨👩👧 Family: Chaetodontidae
🌍 Origin: Indo-Pacific
📏 Max Size: 18–20 cm (≈ 7–8″)
💧 pH Range: 8.1–8.4
🌡️ Temperature Range: 24–27 °C (≈ 75–81 °F)
🧠 Care Level: Intermediate
💖 Temperament: Peaceful
🌿 Reef Safe: ✅ (well-fed systems)
🏠 Min Tank Size: 450 L (≈ 120 gallons)
📌 Tank Level: Mid to Upper
🧬 Captive Bred: ❌ No
🌿 Wild Caught: ✅ Yes
⏳ Lifespan: 5–8 years
🍽️ Diet: Omnivore
🐣 Reproduction: Egg layer

















