Madagascar Rainbow 4CM

Common Names:

• Madagascar Rainbowfish
• Red-Tailed Madagascar Rainbow
• Madagascar Rainbow

Species Profile

• Scientific Name: Bedotia geayi (most common “Madagascar Rainbow”)
• Origin: Madagascar (east coast rivers)
• Size: 10–15 cm (4–6 inches)
• Lifespan: 5–8 years
• Temperament: Peaceful, active schooling fish
• Difficulty Level: Easy to moderate

Appearance

Madagascar Rainbowfish are known for their elegant, fast-moving beauty:

• Silver-gold body with iridescent sheen
• Males develop bright red/orange fins and tail
• Streamlined body built for fast swimming
• Slightly larger and more elongated than typical rainbowfish

Colors intensify strongly under good lighting and in groups.

Tank Requirements

Best environment:

• Long aquarium for active swimming
• Dark substrate for contrast
• Floating plants for shade

Behavior

• Very active mid-to-top level swimmer
• Must be kept in schools of 6–10+
• Peaceful but fast-moving (can outcompete slower fish for food)
• Males show subtle chasing and display behavior