Researchers found that pollution in a Mexican river may be disrupting mate choice between two closely related swordtail fish species…

Закрепи.sender (@heartysender), Jul 14, 2026, 12:45 UTC

Researchers found that pollution in a Mexican river may be disrupting mate choice between two closely related swordtail fish species. Downstream of an urban area, fish showed damaged smell-related nasal structures and produced many hybrid offspring, suggesting that chemical and heavy metal pollution could weaken species boundaries and reduce biodiversity through species merging. https://www.cell.com/cell/abstract/S0092-8674(26)00701-4

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