Here is the article: http://www.nytimes.com/2016/09/23/science/discarded-goldfish-invasive-species.html?smid=nytcore-iphone-share&smprod=nytcore-iphone&_r=0
"The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' (I've found it!), but 'That's funny…'" ~ Isaac Asimov