California scientists debate whether it’s menace or messiah – Times-Herald

From the California News Times
January 4, 2022

Government officials to prevent deadly illness often praise low mosquitofish as a savior of public health. However, some environmentalists call it a “pesto minnow” and a “fish destroyer.”

Almost a century after the finger-sized fish was first introduced to California in Sacramento’s lily pond, it is arguably the most ubiquitous freshwater fish in the world. However, mosquitofish are also one of the most invasive species in the world.

Almost all mosquito and carrier extermination districts in California are now deploying creatures with a variety of strategies, balancing pest control capabilities with ecological destruction of fish.

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