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Discurria insessa
''Discurria insessa'' is a species of sea snail, a true limpet, a marine gastropod mollusk in the family Lottiidae.
==Ecology==
''D. insessa'' is believed to live only on ''Egregia menziesii'' (feather boa kelp). Young limpets seem to orient randomly on the stipe but adults are almost always oriented longitudinally along the stipe. ''D. insessa'' feed both on epiphytes and on the ''Egregia'' itself. ''D. insessa'' spawns mainly in spring and summer. There is high mortality during the winter--the largest individuals are usually not more than 1 year old. Larvae settle preferentially on large, crowded, post-reproductive ''Egregia'' and on fronds which already have adults. They grow fastest if they settle on scars made by older limpets. This species runs away quickly if it contacts a seastar such as Pisaster ochraceus. 〔(Discurria insessa ) at Walla Walla University 〕
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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