It castrates them, it changes their color from transparent to bright red, it makes them live longer, and as biologist Nicolas Rode has found, it makes them swim in groups.
它阉割卤虫, 它将卤虫从透明变为赤红色, 它延长卤虫的寿命, 就像考古学家尼古拉斯·罗德所发现的 绦虫让它们成群出没.