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Gastrosaccus spinifer : ウィキペディア英語版 | Gastrosaccus spinifer
''Gastrosaccus spinifer'' is a shrimp-like crustacean in the order Mysida, the opossum shrimps, native to the eastern Atlantic Ocean and the coasts of Northern and Western Europe. ==Description== ''Gastrosaccus spinifer'' is a slender opossum shrimp, somewhat laterally compressed, and growing to a length of about . It is transparent with tinges of yellow, or brownish pink around the mouthparts, by the edges of the segments and on the telson (tail-like projection from the last abdominal segment). The carapace has a short fringe round its margin. As in other female opossum shrimps, the biramous (branching) pereopods (limbs on the thorax) form a marsupium or brood pouch. In this species there are two plate-like appendages attached to the front abdominal segment which fold under the brood pouch to protect it. This gives the female a rhomboidal shape when viewed from the side. The chief distinguishing factor for this species is the fact that the fifth abdominal segment is slender and has a long spine on its dorsal surface.〔
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「Gastrosaccus spinifer」の詳細全文を読む
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