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Mosquitofish have become the most efficient biological control method used in mosquito control today. Mosquitofish are an attractive and effective alternative referred to as biological control, and part of the Districts integrated vector management program.

The Butte County Mosquito and Vector Control District offers free mosquitofish for pickup or delivery during the summer months. For those who have large ponds or are unable to drive to a pickup location, delivery is available by District personnel.

Pick up at District office from 6:00 am to 4:30 pm located at:       

5117 Larkin Road                                                                                                                                                                                                Oroville, CA 95965

  • Note: If you are picking up fish, please bring your own container.

Fish plant guide (surface feet):

  • 5-foot pond: 4-6 fish
  • 10-foot pond: 8-10 fish
  • 20-foot pond: 12-15 fish
  • 40-foot and up: Contact District for delivery
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