Agrillo's team found that mosquitofish can discriminate between numbers up to 16, but only if the ratio between the fish in each shoal was greater than 2:1.
阿格利罗的团队发现，食蚊鱼最多可以分辨大到16的两个数字的大小，但前提是每个鱼群中鱼的比例大于2:1。
When a mosquitofish finds itself alone, its top priority becomes finding others.
当一只食蚊鱼发现只有它自己时，当务之急就是找到其它的伙伴。
Mosquitofish, freshwater fish with a taste for mosquito larvae, are highly social.
食蚊鱼是淡水鱼，以蚊子幼虫为食，高度的群体化。
"They fly low over the water and catch surface-feeding fish, such as the mosquitofish, with their claws," Aihartza said.
“它们会低飞到水面，然后用它们的爪子抓取表层鱼类，例如食蚊鱼，”Aihartza说。
Agrillo's team also found that mosquitofish can discriminate between Numbers up to 16, but only if the ratio between the fish in each shoal was greater than 2:1.
阿格·利罗的小组还发现，食蚊鱼甚至能辨别大到16的两个数字的大小，条件是这两组鱼群的数量要相差超过2：1。
Agrillo's team also found that mosquitofish can discriminate between Numbers up to 16, but only if the ratio between the fish in each shoal was greater than 2:1.
阿格·利罗的小组还发现，食蚊鱼甚至能辨别大到16的两个数字的大小，条件是这两组鱼群的数量要相差超过2：1。
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