The tiny goldfish you can pick up at pet store for a few cents might not look like an environmental threat, but they can grow into a huge problem if set free in lakes or ponds -- mainly because they can grow to be surprisingly huge.
원문출처 : https://www.cnn.com/2021/07/14/us/football-sized-goldfish-minnesota-lake-scn-trnd/index.html
원문출처 : https://www.cnn.com/2021/07/14/us/football-sized-goldfish-minnesota-lake-scn-trnd/index.html