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Eisenia fetida, known under various common names such as manure worm, [2] 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. They are epigean, rarely found in soil.
D. hortensis is sold primarily as a bait worm, but its popularity as a composting worm is increasing. [2] It was considered part of Eisenia until 2003. [3] It is also formerly considered part of the similar Dendrobaena veneta, [1] but now just part of the species complex. Both are useful compost worms. [4]
Earthworms are classified into three main ecophysiological categories: (1) leaf litter- or compost-dwelling worms that are nonburrowing, live at the soil-litter interface and eat decomposing organic matter e.g. Eisenia fetida; (2) topsoil- or subsoil-dwelling worms that feed (on soil), burrow and cast within the soil, creating horizontal ...
Geneticist Michael Levin created these two-headed worms as part of his investigations into using bioelectricity to regrow lost body parts.
All worms make compost but some species are not suitable for this purpose. Vermicompost worms are generally epigean. Species most often used for composting include: Eisenia fetida (Europe), the red wiggler or tiger worm. Closely related to Eisenia andrei, which is also usable. Eisenia hortensis (Europe), European nightcrawlers, prefers high C:N ...
Maximum weight of around 2.5 grams occurs within 8–10 weeks. The African nightcrawler has a uniform purple-grey sheen and the posterior segments are evenly tapered to a point. 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.
Beers that fall between 2% ABV and 5% ABV, generally considered the “low” alcohol share, make up less than half of the growth of “low-to-no” segment in the total U.S. beer market.
Eisenia is a genus of earthworms (annelids), named after Swedish-American scientist Gustav Eisen Wikimedia Commons has media related to Eisenia . Wikispecies has information related to Eisenia (annelid) .