🐠 Blue Gudgeon Dartfish (Ptereleotris heteroptera)
🐠Blue Gudgeon Dartfish (Ptereleotris heteroptera)
Marine Dartfish • Peaceful Community Species • Reef-Safe • Beginner-Friendly
📋 The Blue Gudgeon Dartfish (Ptereleotris heteroptera) is a slender, brilliantly colored reef-safe species known for its shimmering blue body and smooth, graceful swimming style.
Highly peaceful and social, this species thrives when kept in pairs or small groups, displaying tight schooling behavior and constant midwater activity.
Their gentle nature and vibrant color make them a standout addition to peaceful marine aquariums, especially in tanks with ample open swimming space and rockwork for security.Hardy, attractive, and beginner-friendly, the Blue Gudgeon Dartfish is ideal for reef tanks and calm community setups.
💡 Highlights
✨ Graceful Swimming Style: Smooth gliding, midwater swimmer
⚪ Reef-Safe Species: Excellent for coral aquariums
📏 Peaceful Community Fish: Gets along with most gentle marine species
✅ Beginner-Friendly: Hardy and easy to maintain
🐠 Group Behavior: Best kept in pairs or small groups
🧾 A Quick Look at the Blue Gudgeon Dartfish
📛 Common Name: Blue Gudgeon Dartfish
🔬 Scientific Name: Ptereleotris heteroptera
👨👩👧 Family: Gobiidae
🌍 Origin: Indo-Pacific
📏 Max Size: 12–14 cm (≈ 4.7–5.5″)
💧 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: 150 L (≈ 40 US gallons)
📌 Tank Level: Midwater / Open Water
🧬 Captive Bred: ❌ No
🌿 Wild Caught: ✅ Yes
⏳ Lifespan: 4–6 years
🍽️ Diet: Carnivore (small meaty foods)
🐣 Reproduction: Spawning pair, substrate-associated
