Blue Danio

The Blue Danio is a sleek, fast-moving freshwater fish known for its shimmering metallic blue body accented with subtle golden speckles. Hardy, peaceful, and constantly active, this vibrant schooling species adds motion and cool-toned color to community aquariums.

Temperament: Peaceful, energetic
Difficulty Level: Easy
Adult Size: 1.5–2 inches
Lifespan: 3–5 years
Tank Size: 20 gallons minimum
Temperature: 72–78°F
pH: 6.0–7.5
Water Hardness: Soft to moderately hard

✔ Keep in groups of 6–10+
✔ Provide open swimming space
✔ Moderate water flow preferred
✔ Secure lid recommended (they are active swimmers!)
✔ Thrives in planted or community tanks

They are very active schooling fish and look best when kept in larger groups.

 Food

Blue Danios are omnivores and easy feeders:

• High-quality flakes

• Micro pellets

• Frozen or live brine shrimp

• Daphnia

• Bloodworms

Feed small portions 1–2 times daily.

Fun Facts

Their metallic blue shimmer intensifies under proper lighting.
• They originate from Thailand.
• They are related to the popular Zebra Danio.
• Despite their small size, they are bold and constantly on the move.