![]() ![]() The African nightcrawler has a uniform purple-grey sheen and the posterior segments are evenly tapered to a point. Maximum weight of around 2.5 grams occurs within 8–10 weeks. The African nightcrawler grows well at a temperature of 24-30 ☌ (75-86 ☏). ![]() eugeniae grows much more rapidly than Eisenia fetida, in similar environmental conditions. Named after Johan Gustaf Hjalmar Kinberg's Swedish survey ship, the 'Eugenie'. eugeniae hatched in only 12 days at 25 ☌, and the worms reach sexual maturity in as little as 35 days after hatching. The greatest number of cocoons per week and the number of hatchlings per cocoon are obtained at 25 ☌. The growth of individual earthworms increases as the population density lowers, but the greatest overall earthworm biomass production occurs at the highest population density. Growth įecundity, growth, maturation and biomass production were all significantly greater at 25 ☌ than 15°, 20°or 30°. Eudrilus eugeniae, also called the "African nightcrawler", is an earthworm species native to tropical west Africa and now widespread in warm regions under vermicompost it is an excellent source of protein and has great pharmaceutical potential.
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