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If fish could write, Daphnia would be at the top of their grocery list.
These irresistible, tasty little morsels don't cause indigestion or constipation and are non-fattening. So, just what is this aquatic munchy critter? Daphnia is the most commonly found crustacean in freshwater ponds, rivers, and lakes.
In nature the first food that newly hatched and young fish consume is Daphnia. Even adult fish relish it. In nature Daphnia are high in protein and essential nutrients, and their exoskeleton provides
roughage necessary for good digestion. If you dont have live daphnia to offer your fish, freeze-dried and sun-dried are the next best option. Use as a treat for meat loving fish, or to feed newly hatched fry. Basically, Daphnia provide two primary vitamins that are of vital importance to fish — vitamins A and D. Vitamin A is essential for the growth and development of fish, and it also serves as an excellent anti-infective agent. Vitamin D is primarily responsible for the production of bone, and all vertebrates are therefore dependent on it.
Daphnia also offer small amounts of vitamins B and C, which vary in quantity depending on what foods the Daphnia have consumed.
Vitamin B supports tissue growth and stimulates appetite. Vitamin C aids in skin formation and coloration. Finally,
Daphnia provide protein, carbohydrates (sugars and starches) and fats.
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