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Eunicidae is a family of polychaetes. Many eunicids reach a considerable size. Their jaws are known from Ordovician sediments. They live throughout the seas; a few species are parasitic.〔 One of the most conspicuous of the eunicids is the giant, dark-purple, iridescent "Bobbit worm" (''Eunice aphroditois''), found at low tide under boulders on southern Australian shores. Its robust, muscular body can be as long as 2 m. Some species of eunicids prey on coral. Individuals have been found living unnoticed in reef aquaria for long enough to grow to great size. They have an evertible proboscis.〔 ==References== 〔 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Eunicidae」の詳細全文を読む スポンサード リンク
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