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Tubularia
''Tubularia'' is a genus of hydroids that appear to be furry pink tufts or balls at the end of long strings, thus causing them to be sometimes be called "pink-mouthed" or "pink-hearted" hydroids. Their average height is 40–60 mm and the diameter of the polyp and tentacles is 10mm. Tubularia indivisa and Tubularia larynx can be difficult to distinguish and the two often grow together. In T. larynx the stems branch while in T. indivisa they are unbranched.〔Characteristics." ''Ringed Tubularia - Ectopleura Larynx''. 29 May 2015. Web.〕 ''T. larynx'' is described as:The stems are tubular, with a yellowish coloured tegument and are branched at the base. The polyp colour is pale pink through to red, and consists of a central circlet of oral tentacles surrounded by paler but larger aboral tentacles〔"hydrozoans and Tubularia Larynx"〕
== Habitat ==
T. ''larynx i''s usually found on rocks or attached to algae.〔Tubularia Larynx Ellis & Solander, 1786." ''Tubularia Larynx - Marine Life Encyclopedia''. Encyclopedia of Marine Life of Britain and Ireland. Web.
〕 It is most common in shallow water, fouling piers and on the undersides of boats; in the British Isles, seas surrounding Great Britain, and the Americas. T. larynx grows in colonies and can tolerate exposed habitats and strong water currents.〔Hughes, R. G. "The Life-history of Tubularia Indivisa (Hydrozoa: Tubulariidae) with Observations on the Status of T. Ceratogyne." ''Tubularia.''
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抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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