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Gongylonema pulchrum was first named and presented with its own species by Molin in 1857. The first reported case was in 1850 by Dr. Joseph Leidy, when he identified a worm "obtained from the mouth of a child" from the Philadelphia Academy (however, an earlier case may have been treated in patient Elizabeth Livingstone in the seventeenth century [2]).
Lumbriculus variegatus, also known as the blackworm or California blackworm or Australian Blackworm, is a species of worm inhabiting North America, Europe, and Australia. It lives in shallow-water marshes, ponds, and swamps, feeding on microorganisms and organic material. The maximum length of a specimen is 10 cm (3.9 in).
Sewage treatment plants mix these organisms as activated sludge or circulate water past organisms living on trickling filters or rotating biological contactors. [ 5 ] Aquatic vegetation may provide similar surface habitat for purifying bacteria, protozoa, and rotifers in a pond or marsh setting; although water circulation is often less effective.
Tubeworms have no mouth, gut or anus, scientists say. For premium support please call: 800-290-4726 more ways to reach us
Amphisbaena fuliginosa, also known as the black-and-white worm lizard, speckled worm lizard or spotted worm lizard, [2] is a species of amphisbaenian in the genus Amphisbaena. The ecology of A. fuliginosa is poorly known due to its fossorial habits. [ 3 ]
The treatment system may be described using terms such as vermi-digester and vermi-trickling filter. When this kind of sanitation system is used to treat only the mixture of excreta and water from flush toilets or pour-flush toilets (called blackwater) then the term "toilet" is added to the name of the process, such as vermifilter toilet.
Micro-plastic ingestion by Tubifex worms acts as a significant risk for trophic transfer and biomagnification of microplastics up the aquatic food chain. [1] The worms can survive with little oxygen by waving hemoglobin -rich tail ends to exploit all available oxygen, and can exchange carbon dioxide and oxygen through their thin skins, in a ...
Thysanozoon nigropapillosum is quite common along the external reef in the shallow sub-tidal zone. It can swim by undulating and rhythmically contracting the body margins. It feeds on tunicates, using its mouth and large pharynx to engulf Didemnum spp., and later regurgitates food pellets containing the calcareous spicules present in their tunic