Saltwater
Live Daphnia Magna Culture — 500+ Premium Freshwater Feeder
Product description
What you receive: a vial or bag containing 500+ live Daphnia magna, packed with temperature control materials to protect the specimens in transit.
Organism and form: Daphnia magna are small planktonic crustaceans commonly called water fleas. They arrive alive and swimming in freshwater, ready to be fed directly to aquarium inhabitants or transferred into a separate culture vessel.
Composition and safety: These are whole, natural organisms — no preservatives, dyes, or chemical additives are introduced. They are safe for a wide range of freshwater species when added in moderation.
How to use and culture: Daphnia can be fed to fish and invertebrates straight from the container, or used to seed a breeding tank. Typical culture requirements include freshwater, gentle aeration or a sponge filter for circulation, moderate lighting, and a food source such as green water or powdered algae/spirulina. With regular care they reproduce and can provide a continuous live food supply.
Packaging and delivery notes: Items are shipped with insulating material and temperature stability measures to maximize survival during transit. Because these are living animals, survival and life stage can vary on arrival, so inspect them promptly and acclimate them to your aquarium or culture tank.
Pros
- High-protein, natural live feed
- Can start a self-sustaining culture
- No chemical additives
Cons
- Survival depends on transit and handling
- May arrive mostly juveniles rather than breeders
- Requires basic aquarium equipment to culture
VerdictA nutritious, natural live feed that doubles as a starter colony for hobbyists wanting a renewable food source. These planktonic crustaceans are protein-dense and stimulate natural foraging behavior, making them excellent for growing fry, conditioning adult fish, and supplementing diets for shrimp and axolotls. Success depends on proper handling and basic culture care — with appropriate tank condi
Reviews
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Obsidian 5/5
Exactly as advertised
Very secure packaging. Received a large number of healthy daphnia with no contaminants.
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Hector Gutierrez 5/5
Live daphnia arrived and well packed
Arrived alive and plentiful — a great boost for my tanks. Highly recommended while available.
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Alexis Collins 5/5
Early delivery and healthy
Packed carefully and showed up three days ahead of schedule. Will buy again!
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Emily 5/5
Perfect condition
Alive and actively swimming on arrival!
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Adam Benson 1/5
Arrived dead twice
Ordered two times and both shipments arrived dead. Received one refund. Won't risk another order.
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Sarah Raulerson 5/5
Easy to keep alive with simple care
Place them in tannin-rich or filtered water, provide gentle aeration or a sponge filter, light, and feed small amounts of spirulina or green water nightly — they thrive with these basics.
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Tahiyane 3/5
Mostly newborns; many died overnight
Shipment was fast and packaged well, but most were tiny newborns and half died the next day. Customer service was responsive; next time I hope for more adults to jump-start a culture.
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Josh 5/5
Great quality and instructions included
Daphnia arrived healthy with clear care notes and return info. Pleasant family-run business vibe; will reorder if needed.
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