16oz Freshwater Daphnia – Nutritious Food for Pea Puffers, Fish, Fry & Reptiles

Freshwater Daphnia Culture – Pure Fry Food Essential

 Daphnia are the gold standard for newly-free-swimming fry because their size scales with fry mouth capacity—freshly-hatched daphnia (neonates) measure 0.3mm, while juveniles reach 0.8-1.2mm. This size progression means a single culture supports fry through multiple growth stages without requiring new food sources. We hand-sort batches to remove predatory insects and competitors. Great pea puffer food as well. 

Daphnia reproduce parthenogenetically (asexually) under stable conditions, doubling populations every 8-10 days at 70°F. Each female produces 10-20 neonates every 3 days when well-fed. Your culture becomes self-sustaining within 2 weeks if maintained correctly. They work equally well for reptile and amphibian juveniles—corn snakes, dart frogs, and newts accept daphnia at all life stages.

Feeding & Maintenance

Dose 10ml (2 teaspoons) of phytoplankton twice weekly. Perform 30% water changes every 10 days using aged, dechlorinated water. Keep containers at 68-75°F. Avoid direct sunlight and rapid temperature fluctuations. Feed fry 3-5 daphnia per feeding, three times daily for optimal growth.

Who This Is For

Professional breeders, hatcheries, and serious hobbyists raising small-mouthed species. Also ideal for reptile keepers needing microscopic-to-small natural foods for juveniles.