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Image of a mosquito on a green leaf.
Mosquitoes are more than just an annoyance; they can transmit diseases and other illnesses. Please take advantage of this awesome opportunity to help eradicate them.

Mariposa County to Distribute Mosquito Fish

MARIPOSA Mariposa County Environmental Health is preparing for this year’s mosquito fish distribution. Mosquito fish, also known as Gambusia affinis, are an excellent and natural way to control mosquito larvae without having to resort to dangerous chemicals or insecticides. A large female mosquito fish is capable of devouring hundreds of mosquito larvae in a single day.

Image of a mosquito on skin.

Image by Mohamed Nuzrath.

The team will be at the Coulterville Park (10313 Park Lane in Coulterville) on Thursday, April 28, from 9 – 11 a.m. Please call ahead to reserve your fish for this event at 209-966-2220.

They will also be at the Mariposa County Fairgrounds (5007 Fairgrounds Road in Mariposa) on Saturday, April 30, from 8 a.m. – 12 p.m. as supplies last. This will be a first-come, first-served process and will be held during the UC Master Gardeners’ Plant Sale.

Image of a mosquito on a leaf.

Image by Syed Ali.

We are hoping to spread the word and would appreciate you posting the attached flyer in public spaces and/or sharing our social media post from the Mariposa County Health & Human Services Facebook page.

These are stock fish only and are to be used in self-contained systems, ornamental ponds, stock ponds, and troughs. Do NOT put fish in creeks, streams, lakes, or ponds that connect to natural waterways.

If you have any questions, please reach out the Environmental Health by calling 209-966-2220.

Please bring an appropriate container for to take fish home in.

Suggested donation: $5.00

Thank you and have a wonderful day!

Mariposa County Health & Human Services Mosquito Fish Distribution Flyer

Image of a backyard pond.

Backyard ponds are awesome. Just ask any mosquito!

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