🐠 Bicolor Chromis (Chromis dimidiata)
🐠 Bicolor Chromis (Chromis dimidiata)
Marine Damselfish • Peaceful Schooling Fish • Reef-Associated Species • Open Water Swimmer
📋 The Bicolor Chromis (Chromis dimidiata) is a striking marine damselfish distinguished by its vivid two-tone coloration, with a deep blue front half and bright yellow rear.
Unlike many damselfish, it is a Peaceful Schooling Fish that thrives when kept in groups, showing calm and synchronized swimming behavior.
Native to the Red Sea and nearby regions, it is a true Reef-Associated Species that prefers stable, well-oxygenated marine aquariums.
Its constant movement in the water column makes it an elegant Open Water Swimmer that brings color contrast and activity to reef displays.
💡 Highlights
✨ Bold Bicolor Colouration: Deep blue front with bright yellow rear
🐠 Peaceful Schooling Fish: Best kept in groups
🌊 Reef-Associated Species: Ideal for reef aquariums
🏊 Open Water Swimmer: Active mid-water behavior
🧠 Beginner-Friendly Marine Fish: Hardy and adaptable
🧾 A Quick Look at the Bicolor Chromis
📛 Common Name: Bicolor Chromis
🔬 Scientific Name: Chromis dimidiata
👨👩👧 Family: Pomacentridae
🌍 Origin: Red Sea • Western Indian Ocean
📏 Max Size: 6–8 cm (≈ 2.4–3.1″)
💧 pH Range: 8.1–8.4
🌡️ Temperature Range: 24–27 °C (≈ 75–81 °F)
🧠 Care Level: Easy
💖 Temperament: Peaceful
🪸 Reef Safe: ✅ Yes
🏠 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

















