Description
Strawberry Rasbora (Boraras naevus)
📌 Basic Info
Scientific Name: Boraras naevus
Common Names: Strawberry Rasbora, Strawberry Dwarf Rasbora
Family: Cyprinidae (Carp and Minnow Family)
Order: Cypriniformes
Origin: Southern Thailand and Peninsular Malaysia — found in slow-moving, plant-rich forest streams and peat swamps.
Size: 1.5–2 cm (0.6–0.8 inch)
Lifespan: 3 – 5 years
Tank Zone: Middle to top
🌊 Water Parameters
Temperature: 22 – 28°C (72 – 82°F)
pH: 5.0 – 7.0
Hardness: 1 – 10 dGH
🐠 Characteristics
Body Shape: Tiny, slender, and streamlined.
Coloration: Bright reddish-pink body with darker red markings near the tail.
Markings: Males display deeper red tones and stronger pigmentation, especially during breeding.
Special Feature: Their vibrant strawberry-red glow under soft light makes them one of the most colorful nano fish.
Behavior: Peaceful, social, and very active when in groups.
🍽️ Diet
Type: Omnivorous (micro-predator)
Food: Micro pellets, crushed flakes, baby brine shrimp, daphnia, and micro worms.
Feeding Frequency: 2–3 times daily in small amounts.
Tip: Supplement with live or frozen foods to intensify coloration.
🏠 Tank Setup
Minimum Tank Size: 30 liters (8 gallons)
Substrate: Dark sand or fine gravel to enhance colors.
Décor: Dense plants, floating vegetation, and driftwood for cover.
Lighting: Dim to moderate; subdued lighting brings out their best red hue.
Water Flow: Gentle, replicating calm forest streams.
👥 Behavior & Compatibility
Nature: Peaceful schooling fish.
Best Kept In: Groups of 8 or more for confidence and display.
Tank Mates: Suitable with other nano fish like Chili Rasboras, Ember Tetras, Pygmy Corydoras, and Shrimp.
Avoid: Larger or boisterous fish.
✅ Do’s
• Maintain soft, clean, slightly acidic water.
• Keep in groups to prevent shyness.
• Use live plants and dark background for best display.
❌ Don’ts
• Don’t keep with large or aggressive species.
• Avoid strong currents or bright lighting.
⭐ Quick Tip:
The Strawberry Rasbora (Boraras naevus) is one of the tiniest and most colorful nano fish, perfect for heavily planted aquariums. Its gentle nature, striking red coloration, and schooling behavior make it a stunning highlight for any small community tank.






