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Smart school of fish expose stupidity of a popular myth
Fish are not the brainless dolts they are often assumed to be. Scientists have discovered that they are actually adept learners, with distinct personalities that change as they pick up information about the world.The popular notion that fish memories are measured in seconds has been exposed as a myth by research which showed that rainbow trout (Oncorhynchus mykiss) remember experiences so well that they alter their behaviour in line with what they learn.
The study, led by Lynne Sneddon of the University of Liverpool, found that individual trout display very different characters — some are bold and inquisitive; others are shy and passive.
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