In the middle of the 20th century, a big rumor arose and was transmitted far and wide that there existed "hairy men" and "water monsters".

“毛人水怪”（也称为“水鬼毛人”）谣言是20世纪中国最大的谣言之一，其传播时间之长、范围之大，在人类历史上也不多见。