Sunday, 26 November 2017

'Left-handed' fish and asymmetrical brains


Date:  November 15, 2017
Source:  University of Konstanz

To humans, being right-handed or left-handed plays an important role. The majority favours the right side of their bodies, while only about three per cent of people innately use both hands equally well. Preferring one side of the body over another is not unique to humans: the phenomenon occurs in the animal kingdom as well, for instance in great apes or birds, although their "handedness" is typically not as obvious as it is in humans. "Handedness" is particularly pronounced in cichlid fish of the species Perissodus microlepis, which is endemic to Lake Tanganyika in Africa.



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