This beautiful shrimp (illustration) belongs to the family Hylobatidae of Crustacea. It has a white background with one deep red horizontal stripe on the cephalothorax, one on the third abdominal segment, the fifth and sixth abdominal segments, one on the long segment and arm segment of the third thoracic leg, and two on the palm. It is 5 cm long. The whole body is densely covered with sharp spines, and the antennae are remarkably long and white. The first three pairs of thoracic legs have claws, and the third leg is particularly large. It is distributed in the western Pacific Ocean south of the Boso Peninsula, the Indian Ocean, and the West Indies in the western Atlantic, and lives in shallow waters and coral reefs on rocky coasts. When large fish such as groupers and moray eels approach, it climbs on their surface and sometimes even enters their mouths to remove external parasites. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
甲殻綱オトヒメエビ科の美しいエビ(イラスト)で,白色の地に頭胸甲に一つ,第3腹節,第5~6腹節,第3胸脚の長節と腕節に各一つ,掌部に二つの濃赤色の横縞がある。体長5cm。体全体が鋭いとげで密に覆われており,触角は著しく長くて白い。胸脚の前3対にははさみがあり,第3脚はとくに大きい。房総半島以南の西太平洋,インド洋,大西洋西部の西インド諸島に分布し,岩礁性海岸の浅海やサンゴ礁にすんでいる。ハタやウツボなどの大型魚類が近寄ってくると体表に乗り,ときには口の内部まで気楽に入り込んで外部寄生虫を取り除く。
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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