Moina: The Ultimate Live Superfood for Fry and Nano Fish
Unlock explosive growth and vibrant colors with Moina, the high-protein secret of professional fish breeders.
Moina are small crustaceans (cousins to Daphnia) that serve as an ideal transition food for newborn fry and a nutritious snack for adult nano fish. Smaller and more nutrient-dense than their larger Daphnia relatives, Moina are the perfect size for tiny mouths that aren't quite ready for larger prey.
Why Choose Moina for Your Aquarium?
Nutritional Powerhouse: Moina are packed with essential amino acids and lipids. They are particularly high in protein (often exceeding 50% by dry weight), which is critical for the rapid skeletal and muscle development of growing fry.
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Small Size, Big Impact: Averaging $0.5\text{--}1.0\text{ mm}$ in size, they are significantly smaller than Daphnia magna, making them accessible to even the smallest species like Betta fry, Killifish, and Blue-eyes.
The "Live Food" Advantage: Their erratic swimming motion triggers the natural hunting instinct of fish. Unlike flake food, Moina stay alive in the freshwater tank until eaten, meaning they won't foul your water if not consumed immediately.
Easy to Culture: For those looking to maintain a constant food source, Moina are incredibly prolific. Under the right conditions, a population can double in size in just 24 hours.
Ideal For:
Newborn Fry: Especially Bettas, Guppies, and Tetras.
Nano Fish: Celestial Pearl Danios, Chili Rasboras, and Endlers.
Finicky Eaters: Helps "jumpstart" the appetite of wild-caught or stressed fish.
Feeding & Storage Guide:
| Feature | Details |
| Feeding Frequency | Can be fed daily as a primary growth food for fry or 2-3 times a week as a supplement for adults. |
| Water Compatibility | Freshwater only. Unlike Brine Shrimp, they do not require rinsing of salt. |
| Storage (Live) | Keep in a cool, aerated container with light. Feed them green water or active dry yeast. |
| Target Species | Fry, Nano fish, and filter feeders. |
Pro Tip: If you are breeding show-grade Guppies (like our Full Golds!), feeding Moina ensures the fry get the high-fat content needed to develop those impressive, flowing fins early in life.
Give your fish the biological advantage they deserve. Order a Moina starter culture or fresh portion today!
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