Maybe it's their flat eyes. Or their expressionless mugs. But for whatever the reason, fish have long had a reputation for being empty-headed. In recent years, however, we’ve learned that our finny friends can achieve cognitive feats we once thought were limited to big-brained critters like primates, elephants and crows. Below, learn about four clever fish that redefine the meaning of a ‘goldfish memory.’
Dec 15, 2017 at 15:52
Are You Smarter than a Trout?
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