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。
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.
根据阿格利罗和他的同事,结果证明拥有共同祖先的人类,鱼,和其他脊椎动物对于数字的辨别能力相当。
According to Agrillo and colleagues, the results add to evidence that humans, fish, and other vertebrates share the same abilities for processing Numbers as a distant but common ancestor.
当研究员在门上设置的数字形状相似时,鱼很少能成功的游出去。
As the researchers tinkered with the amounts on the doors, they found that when the sets of shapes were closer in number, the fish were less successful.
现在缅因州仅存70艘底层鱼捕鱼船,仅及上世纪90年代数字的一半,与几十年前比起来,相较甚远。
There are only 70 groundfishing vessels left in Maine, less than half the number in the 1990s, and a far cry from decades past. Few working waterfronts remain.
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.
报告显示,1980年人类鱼品消费量中只有9%来自水产养殖,而如今这一数字为43%。
While in 1980 just 9 percent of the fish consumed by human beings came from aquaculture, today 43 percent does, the report shows.
例如,当两扇门上数字的比率为1:2(8对16)或2:3(8对12),鱼选择对的门不只是偶然。
For example, when the ratio between the shapes on the two doors was 1:2 (8 versus 16) or 2:3 (8 versus 12), the fish chose the correct door more often than by chance.
这些垂死挣扎的鱼拼命喘着气,因为数字世界是一个截然不同的地方。
These death throes fish out asthmatically, because the digital world is a markedly different place.
这些垂死挣扎的鱼拼命喘着气,因为数字世界是一个截然不同的地方。
These death throes fish out asthmatically, because the digital world is a markedly different place.
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