🐠 Purple Firefish (Nemateleotris decora)
🐠 Purple Firefish (Nemateleotris decora)
Marine Dartfish • Peaceful Community Species • Reef-Safe • Beginner-Friendly
📋 The Purple Firefish (Nemateleotris decora) is a stunning, high-contrast reef-safe species known for its glowing purple head, clean white body, and smooth, graceful swimming style.
This species is peaceful, shy, and thrives in gentle aquariums with plenty of open swimming space, stable rockwork, and calm tankmates.
Best kept singly or as a bonded pair, the Purple Firefish adds vibrant colour and elegant movement to any peaceful reef aquarium.Beautiful, hardy, and beginner-friendly, this species is a favourite among reef keepers worldwide.
💡 Highlights
✨ Graceful Swimming Style: Elegant hovering midwater motion
⚪ Reef-Safe Species: Ideal for all coral systems
📏 Peaceful & Shy: Great for gentle community tanks
✅ Beginner-Friendly: Hardy once settled
🌈 Vibrant Colouration: Purple, white, and yellow gradients
🧾 A Quick Look at the Purple Firefish
📛 Common Name: Purple Firefish
🔬 Scientific Name: Nemateleotris decora
👨👩👧 Family: Gobiidae
🌍 Origin: Indo-Pacific
📏 Max Size: 7–9 cm (≈ 2.8–3.5″)
💧 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: 75 L (≈ 20 US gallons)
📌 Tank Level: Midwater / Open Water
🧬 Captive Bred: ❌ No
🌿 Wild Caught: ✅ Yes
⏳ Lifespan: 5–7 years
🍽️ Diet: Carnivore (small meaty foods)
🐣 Reproduction: Spawning pair

















