Monday, June 29, 2026
Science

Male fish lose their learning edge in drug-polluted waters, research reveals

A common antidepressant detected in rivers and streams worldwide is disrupting how fish learn, and the impact is strikingly one-sided. New research led by Monash University shows the drug amitriptyline impairs spatial learning in wild fish, but only in males. Females remain unaffected.

Male fish lose their learning edge in drug-polluted waters, research reveals
Image: Phys.org
A common antidepressant detected in rivers and streams worldwide is disrupting how fish learn, and the impact is strikingly one-sided. New research led by Monash University shows the drug amitriptyline impairs spatial learning in wild fish, but only in males. Females remain unaffected.

Originally published at Phys.org

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