🐠 Black Bar Chromis (Chromis retrofasciata)
🐠Black Bar Chromis (Chromis retrofasciata)
Marine Damselfish • Peaceful Reef-Associated Fish • Active Schooling Species • Beginner-Friendly Chromis
📋 The Black Bar Chromis (Chromis retrofasciata) is a peaceful and active damselfish recognized for its distinctive black bar pattern across the body.
This species is highly reef-associated, thriving in stable marine aquariums with open swimming space and rock structures.
Known for being exceptionally peaceful, it is far less aggressive than most damselfish and adapts well to group living.
As an active schooling species, it brings constant movement and natural reef behavior to marine displays.
Its hardy nature makes it a reliable choice for beginner-friendly saltwater aquariums.
💡 Highlights
✨ Distinct Black Bar Pattern: Bold vertical body marking
⚪ Peaceful Chromis: One of the least aggressive damselfish
🐠 Active Schooling Species: Best kept in groups
🌊 Reef-Associated Fish: Ideal for marine aquariums
🧠 Beginner-Friendly: Hardy and adaptable
🧾 A Quick Look at the Black Bar Chromis
📛 Common Name: Black Bar Chromis
🔬 Scientific Name: Chromis retrofasciata
👨👩👧 Family: Pomacentridae
🌍 Origin: Indo-Pacific coral reefs
📏 Max Size: 6–7 cm (≈ 2.3–2.8″)
💧 pH Range: 8.1–8.4
🌡️ Temperature Range: 24–27 °C (≈ 75–81 °F)
🧠 Care Level: Easy
💖 Temperament: Peaceful
🏠 Min Tank Size: 120 L (≈ 30 gallons)
📌 Tank Level: Midwater
🧬 Captive Bred: ❌ No
🌿 Wild Caught: ✅ Yes
⏳ Lifespan: 5–7 years
🍽️ Diet: Omnivore (planktonic foods)
🐣 Reproduction: Egg layer

















