Eisenia fetida (older spelling: foetida), known under various common names such as manure worm, redworm, brandling worm, panfish worm, trout worm, tiger worm, red wiggler worm, etc., is a species of earthworm adapted to decaying organic material. These worms thrive in rotting vegetation, compost, and manure.

Suitable for use as bait, or in compost. 

Suitable as a nutritious feeder for many species of fish *Eisenia fetida (older spelling: foetida) can be dangerous for some species of amphibians and reptiles*