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Bolder fish have different brains

604 Views 5 Replies 6 Participants Last post by  Old Man
Saw this article and thought that it would be good to share


Some trout are foragers and search for food. Others are more passive and wait for a meal to drift by.

Alexander Wilson and his colleagues have found the active eaters tend to have larger brain structures known as telencephalons, which are involved in spatial memory and processing and help a fish recall landmarks so they don't get lost...​
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Probably why moving fish in calmer waters are more selective. The fish in turbid pocket water sit in one spot and only have a few seconds to decide if they want the food to get away, as opposed to fish in calmer waters which tend to mill around a lot and have time to inspect everything before committing.
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