Perionyx) are very hydrophilous and are usually associated with more or less submerged
habitats. Soil pH has a distinct influence on the distribution of earthworms, with most of them
preferring neutral soils. Some are known to tolerate acidic or alkaline soil while few others
are ubiquitous that can withstand both acid and alkaline soils. Pontodrilus litoralis is known
to occur in mud with large content of organic matter and salt, on seashores and margins of
estuaries, and brackish water lakes. Distribution: Pontodrilus litoralis is circumundane on …