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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.
The worms require loose soil to burrow in and soil moist enough for gas exchange. [3] Further requirements include such abiotic factors as pH and temperature. Various abiotic factors are significant to Lumbricus rubellus. pH is of particular importance; a range of 5.5 to 8.7 is acceptable with a preference for neutral soils. [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 ...
How nutritious are edible worms and insects? Many are a complete source of protein and high in iron, zinc, magnesium, phosphorus, B-vitamins, amino acids, omega-3 and omega-6 fatty acids and fiber.
One common way this species spreads is through the release of bait worms into the habitat. It is a "nightcrawler", an earthworm used as fishing bait, and one of several species sold in American bait shops as "red wigglers". [3] It can often be found in shipments of worms labelled as another species, such as Lumbricus terrestris or L. rubellus. [10]
Worms don't have teeth, so they don't "chomp" anything. Instead, worms rely on a village of bacteria, molds, fungi, pill bugs and other beneficial microbes to break down the food so they can eat ...
Limnodrilus hoffmeisteri is conveyor-belt feeder that ingests particles in deep sediments and egests them on the sediment surface in the form of pseudofeces. [5] [6] The activities of this worm can alter sediment stratification, [6] [7] [8] increase the water content and porosity of sediment, [9] change the distribution of sediment particle size, [6] [10] alter the oxygen and nutrient dynamics ...
In Britain, it is primarily called the common earthworm or lob worm (though the name is also applied to a marine polychaete). In North America , the term nightcrawler (or vitalis ) is also used, and more specifically Canadian nightcrawler , referring to the fact that the large majority of these worms sold commercially (usually as fishing bait ...