ZME Science on MSN

River pollution may be confusing fish into mating with the wrong species

A polluted river in Mexico may be scrambling the love lives of two small fish species — so much so that it may be erasing the ...

Fish in a polluted Mexican river may mate with the wrong species, leading to hybrid offspring

The byproducts of modern society appear to be messing with the love life of two tiny fish species that have long coexisted in ...