A general term for small, planktonic amphipods with a body length of about 4 to 30 mm that are widely distributed along the coasts of warm waters such as the Pacific, Atlantic, Mediterranean, and Indian Oceans. They belong to the family Phronimidae, a suborder of jellyfish. There are about nine known species in two genera in this family. Their bodies are transparent, and sometimes have red spots scattered on the surface. Their heads are large and cone-shaped, with large red compound eyes that occupy almost the entire head and are divided into two parts, upper and lower. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
太平洋,大西洋,地中海およびインド洋などの暖水域の海岸に広く分布している体長4~30mmくらいの小型の浮遊性端脚類で,クラゲノミ亜目タルマワシ科Phronimidaeに属する甲殻類の総称。この科には2属9種ほどが知られている。体は透明,体表に赤色の斑紋を点在させていることもある。頭部は大きく円錐形をしており,赤色の大きな複眼が頭部のほとんど全域を占めており,この眼は上方と下方の2部分に分かれている。
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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