Some strains are also found in the cocoons of the earthworm Eisenia fetida.

As with other earthworm species, Eisenia fetida is hermaphroditic.

- Throughout its life cycle, E. eugeniae grew much more rapidly than Eisenia fetida, in similar environmental conditions.

Eisenia andrei is a close relative of the 'brandling' or 'tiger' worm, Eisenia fetida.

When roughly handled, an eisenia fetida exudes a pungent liquid, thus the specific name foetida meaning foul-smelling.

A few handfuls of Mr. Stokoe's worms, a species known as red wigglers (Eisenia fetida), went in next.

Eisenia fetida is closely related to Eisenia andrei, also referred to as E. foetida andrei.

The segments of the Brandling worm (Eisenia fetida) alternate reddish-orange and brown; the posterior segments do not taper, and the final segment is blunt.

These are usually Eisenia fetida (or its close relative Eisenia andrei) or the Brandling worm, commonly known as the Tiger worm or Red Wiggler.

Eisenia fetida (older spelling: foetida), known under various common names such as redworm, brandling worm, panfish worm, trout worm, tiger worm, red wiggler worm, red californian earth worm, etc., is a species of earthworm adapted to decaying organic material.