A general term for the family Mysidae and related species in the superorder Peracaridae of the class Crustacea. Not only are they important as natural food for fish, but those from brackish and freshwater are caught and eaten as tsukudani, as well as used as bait for catching sardines and horse mackerel, and as feed for farmed fish and poultry. Body length is about 0.5 to 2 cm. Their shape is similar to shrimp and krill (both in the superorder Pampascaridae of the class Crustacea), but their morphological characteristics are different. In mysids, the carapace covers most of the thorax, but is separated from the thorax behind the fourth thoracic segment. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
甲殻綱フクロエビ上目アミ目アミ科Mysidaeとこれに近縁なものの総称。魚類の天然餌料として重要であるばかりか,汽水・淡水産のものは漁獲され,つくだ煮として食用にされるほか,イワシ,アジなどを捕獲する餌として,また,養魚,養鶏などの餌としても用いられている。体長0.5~2cmくらい。形はエビ類やオキアミ類(いずれも甲殻綱ホンエビ上目)に似ているが,形態上の特徴が異なる。アミ類では,背甲が胸部の大部分を覆っているが,第4胸節より後方では胸部から遊離している。
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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