Enchytraeus albidus AKA white worms are a must have live food source. With 70% protein, 14.5% lipids, 5.5% minerals and 10% carbs these little worms will condition your fish for breeding! Lets be honest with each other, aquatic animals LOVE worms, why not feed them some of the best worms you can? Juvenile fish fresh off micros will DEMOLISH these. Adults will be living their best life after eating these. Sold in 2, 4, or 8 oz starter cultures consisting of coco fiber and worms. You will get varying ages of white worms in your culture. Every 12 days new worms emerge from their cocoons, about 20 days later they are ready to reproduce! Just add the culture to your substrate of choice and you are ready to go!