The first formal finding of this quirk in nature came in 1935, in a paper by the Japanese chemist Oshima. He reported that in 1917 a quirk technician, making a survey of fresh-water fish in the mountains of Ilan County, encountered a policeman who told him that local aborigines frequently caught trout.
日本理學博士大島正滿，在民國廿四年發表的一篇台灣鱒報告中提到：民國六年，台灣總督府的日籍技士青木糾雄，至宜蘭縣山上做淡水魚類調查，聽當地派出所警員說，山胞常在溪流中捕到鱒魚。