A decapod crustacean of the family Penaeidae (illustration). This edible shrimp is named after the eelgrass zone that inhabits sandy and muddy bottoms at depths of around 20m in inland bays and seas. It is distributed from Japan to the Indian Ocean, and is abundant in Mikawa Bay, Ise Bay, the Seto Inland Sea, the Ariake Sea, and the Yatsushiro Sea in Japan. It is caught along with other shrimp species in casting nets, waiting nets, drift nets, and shrimp-throwing nets. It was once common in Tokyo Bay, but has become very rare in recent years. The fishing season is from June to September. It reaches a body length of 13cm, with females being larger. When alive, it is pale blue-green or pale yellowish brown, with green tips on the tails. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
十脚目クルマエビ科の甲殻類(イラスト)。食用エビで,内湾や内海の水深20m内外の砂泥底のアマモ帯に生息するのでこの名がある。日本からインド洋まで分布し,日本では三河湾,伊勢湾,瀬戸内海,有明海,八代海などに多産する。打瀬(うたせ)網,待網,流し網,蝦こぎ網などで,他のエビ類とともに混獲される。かつては東京湾でも多かったが,近年はごく少ない。漁期は6~9月。体長13cmに達し,雌のほうが大きい。生きているときは淡青緑色ないし淡黄褐色で,尾肢(びし)の先端が緑色。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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