Melanotaenia sp. "Kali Tawa" Rainbowfish

Melanotaenia sp. "Kali Tawa" Rainbowfish – Rare Colorful Schooling Fish

Buy Melanotaenia sp. "Kali Tawa" Rainbowfish for your aquarium. This rare rainbowfish is prized for its shimmering coloration, active schooling behavior, and stunning display in planted and community tanks.

Kali Tawa Rainbowfish are a beautiful and lively freshwater species that bring constant movement and color to the aquarium. Like other rainbowfish, they do best in groups and show their best color when kept in a spacious, well-maintained setup with open swimming room.

Why You’ll Love This Fish

• Rare rainbowfish with beautiful shimmering coloration
• Active schooling fish that adds movement to the aquarium
• Peaceful and ideal for larger community tanks
• Looks incredible in planted and aquascaped setups
• Best colors develop in groups and stable water conditions

Care Information

• Scientific Name: Melanotaenia sp. "Kali Tawa"
• Common Name: Kali Tawa Rainbowfish
• Care Level: Easy to Moderate
• Temperament: Peaceful, active, schooling
• Max Size: ~4–5 inches
• Tank Size: 40+ gallons recommended
• Diet: Omnivore (flakes, pellets, frozen and live foods)
• Water Parameters: 74–82°F • pH 6.8–7.8 • Soft to moderate hardness

Perfect For

• Planted aquariums
• Peaceful community tanks
• Rainbowfish collections
• Hobbyists looking for rare and colorful fish

Schooling Behavior

Kali Tawa Rainbowfish should be kept in groups of 6 or more for best behavior, reduced stress, and improved coloration. A proper group creates a much more vibrant and natural display.

Tank Mate Compatibility

• Great with other peaceful rainbowfish
• Compatible with tetras, barbs, danios, and corydoras
• Avoid aggressive or overly fin-nipping species

Explore More

Looking for more colorful community fish? Browse our Freshwater Fish Collection to build your perfect aquarium.

Frequently Asked Questions

How big do Kali Tawa Rainbowfish get?
They typically grow to around 4 to 5 inches.

Are they peaceful?
Yes, they are peaceful schooling fish that do well in community aquariums.

How many should I keep?
Keep at least 6 together for best color and natural behavior.

Are they beginner-friendly?
Yes, they are generally hardy, but they do best in stable, well-maintained aquariums.