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Glyceridae is a family of polychaete worms.〔(World Register of Marine Species )〕 They are commonly referred to as beak-thrower worms or bloodworms. They are bright red, segmented, aquatic worms. The proboscis worm ''Glycera'' is sometimes called bloodworm. The Glyceridae are ferocious epi- and infaunal polychaetes that prey upon small invertebrates. They are errant burrowers that build galleries of interconnected tubes to aid in catching their prey. ==Characteristics== *Pointy snout used for burrowing in sediment *No septa in anterior part of bodies *Rely on peristalsis to move *Explosively evert pharynx into sediment, anchor position with prostomium and pull body forward. *Eversible pharynx also used in prey capture: 4 poisonous fangs 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「Glyceridae」の詳細全文を読む スポンサード リンク
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