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Mosquito fishSmall fish that eat mosquito larvae

They feed on mosquito larvae, and your agency decides whether your water feature qualifies.

Source, checked 2026-10-03: GLA

Good fit

  • Ornamental ponds

    Source, checked 2026-10-03: LAW · LBH

  • Fountains & water gardens

    Source, checked 2026-10-03: LAW

  • Animal water troughs

    Source, checked 2026-10-03: LAW · AV

  • Unused, unchlorinated pools

    Source, checked 2026-10-03: LBH

Never

  • Creeks, rivers, lakes or any natural water

    Source, checked 2026-10-03: LAW · AV

  • Anywhere fish could escape into natural waterways

    Source, checked 2026-10-03: LBH

  • Done with them? Don't release them into a pond or stream.

    Source, checked 2026-10-03: LBH

Who gives them out

GLA

Greater Los Angeles County Vector Control District

Free for district residents

Submit an online service request. A technician inspects for suitability and places the fish.

Rule: Property only; GLA will not place fish with koi or sensitive native amphibians or fish.

Source, checked 2026-10-03: GLA

SGV

San Gabriel Valley Mosquito and Vector Control District

Free for properties in the district

Call to request mosquito fish.

Rule: Property only; pool placement needs an assessment and staff stocking.

Source, checked 2026-10-03: SGV

LAW

Los Angeles County West Vector Control District

Free for district residents

Pickup: 6750 Centinela Avenue, Culver City. Monday–Friday, 9:30 AM–3 PM.

Rule: Artificial, permanent water on your property; LAW lists koi as compatible.

Source, checked 2026-10-03: LAW · LAW contact

AV

Antelope Valley Mosquito and Vector Control District

Free for district residents

Call the district office to request mosquito fish.

Rule: Property only; never put them in natural creeks, streams or lakes.

Source, checked 2026-10-03: AV

Not sure which agency is yours?

Find your community on the map · State ZIP lookup

Sources · checked 2026-10-03