Anphu Earthworm Farm benefits from the land of 50 kilometers far away from Hochiminh city - Vietnam, is an agriculture center of country with rain and shine weather, this is a good condition for it's earthworm develops.
Perionyx excavatus is a beautiful worm with an iridescent blue or violet sheen to its skin clearly visible under bright light. It is a very small worm, poorly suited as fishing bait, but has an impressive growth and reproductive rate far in excess of the other species grown in bin culture.
This is another tropical worm species with a very poor tolerance for low temperatures, fluctuations in the bin environment, handling or disruption to the system. P. excavatus is often referred to as “the Traveler” for its tendency to leave the bin en masse for no apparent reason.