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mosquito fish

This year, Miami-Dade County's arsenal of mosquito-fighting technology includes traps, spraying backpacks -- and mosquito-eating fish. 

On a hot, sunny Saturday morning at the Upper Tampa Bay Regional Public Library, Kathy and Dani Dahlberg walk up to a white truck holding portable fish tanks that emit a loud hum.

The new homeowners are trying to describe the size of their pond to Hillsborough County Mosquito Control officials.

Hillsborough County YouTube Channel

Mosquito fish are 2.5-inch long native, freshwater fish that love munching on mosquito hatchlings.

On Saturday, March 27, Mosquito Control officials are giving out gambusia affinis to Hillsborough County residents for free.