mosquito fish Mosquito-Eating Fish Among This Year's Effort To 'Fight the Bite' By Kate Stein • Jul 3, 2018 This year, Miami-Dade County's arsenal of mosquito-fighting technology includes traps, spraying backpacks -- and mosquito-eating fish. Mosquito Fish Another Tool For Disease Prevention By Daylina Miller • Jun 14, 2017 Listen Listening... / Click here to listen to the story. 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. 'Mosquito Fish' Giveaway Aims To Help Prevent Zika By Daylina Miller • May 26, 2017 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.