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What is the memory span of a fish2007-11-24 23:41:48

So basically fish learn and remember where their nest is, what the boundaries of their territory are, and where their mates, food, rivals and predators hang out, and even possibly what they look like.

So - they might not look like it, but fish can have pretty good memories.

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A 5 second memory span of a fish is a complete myth.!! Fish are more intelligent than they appear. In many areas, such as memory, their cognitive powers match or exceed those of 'higher' vertebrates, including non-human primates. Their long-term memories help fish keep track of complex social relationships. Their spatial memory鈥攅qual in all respects to any other vertebrate鈥攁llows them to create cognitive maps that guide them through their watery homes, using cues such as polarized light, sounds, smells, and visual landmarks.