🐠 Blackfin Dartfish (Ptereleotris evides)
🐠 Blackfin Dartfish (Ptereleotris evides)
Marine Dartfish • Peaceful Community Species • Reef-Safe • Beginner-Friendly
📋 The Blackfin Dartfish (Ptereleotris evides) is a sleek, elegant reef-safe species known for its smooth, graceful swimming style and tight group behaviour.
Its contrasting dark fins and pale body make it a standout addition to peaceful marine aquariums.
These fish thrive when kept in pairs or small groups, showing natural schooling patterns in tanks with plenty of open swimming space and gentle flow.Hardy, peaceful, and beginner-friendly, the Blackfin Dartfish is ideal for reef tanks and community marine setups.
💡 Highlights
✨ Graceful Swimming Style: Smooth gliding motion
⚪ Reef-Safe Species: Perfect for coral tanks
📏 Peaceful Community Fish: Safe with other gentle species
✅ Beginner-Friendly: Hardy and adaptable
🐠Group Behavior: Best kept in pairs or small groups
🧾 A Quick Look at the Blackfin Dartfish
📛 Common Name: Blackfin Dartfish
🔬 Scientific Name: Ptereleotris evides
👨👩👧 Family: Gobiidae
🌍 Origin: Indo-Pacific
📏 Max Size: 10–12 cm (≈ 4–5″)
💧 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 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

















