Limnodrilus Hoffmeisteri
''Limnodrilus hoffmeisteri'', also known as red worm, is one of the most widespread and abundant oligochaetes in the world. Characteristics ''Limnodrilus hoffmeisteri'' is a segmented oligochaete worm with tapering end and typical body length of 25–40 mm. It has a simple conical shaped head without eyespots and a long cylindrical body with 55-95 segments. Each of segments can regenerate into a new individual when separated from the worm body. On each side of the segment, there is an upper and lower bundle of setae to move and burrow sediment. Due to the respiratory pigment haemoglobin, its body usually appears red. Same as all other oligochaetes, this species is a hermaphrodite with a complex reproductive system. Living habits ''Limnodrilus hoffmeisteri'' lives in fine, sandy and coarse sediments of watercourses, pond and lakes, hyporheic zone and groundwater, feeding on microorganisms and organic material. Due to the lack of gill, it breathes through skin. The front ...
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