Panagrellus redivivus

Species of roundworm

The free-living nematode Panagrellus redivivus, is known to many aquarium enthusiasts and fish keepers as the microworm. It is a tiny roundworm used as the first food for larger kinds of newly-hatched fish, such as larval common carp. The microworm is widely used in aquaculture as food for a variety of fish and crustacean species.

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