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China: Guppies Change Color After Being Transferred to Black Basin in Guangxi

On May 22, 2026, a video from Guangxi, southern China, showed guppies appearing to change color instantly — turning from pink to blue — when transferred from a white basin to a black one. Chinese netizens noted that guppies are tropical fish whose body color can be influenced by their surrounding environment.

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Combating Zika virus with guppy fish in India

Photo taken Feb. 13, 2016, in Mysuru, India, shows Somashekar Gowda (front), who has been breeding and distributing guppies (poecilia reticulata) for free in mosquito-prone areas. The freshwater fish feeds on mosquito larvae and thereby keeps the breeding of mosquitoes in check to a large extent amid a global alert over the mosquito-borne Zika virus. (Kyodo) ==Kyodo

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Combating Zika virus with guppy fish in India

Photo taken Feb. 13, 2016, in Mysuru, India, shows freshwater guppies (poecilia reticulata). Guppies feed on mosquito larvae and thereby keep the breeding of mosquitoes in check to a large extent amid a global alert over the mosquito-borne Zika virus. (Kyodo) ==Kyodo