western mosquitofish

Gambusia affinis

Member of live-bearers (subfamily Poeciliinae)
ray-finned fishes (class Actinopterygii)
animals (kingdom Animalia)

There are no other wild species of this genus in the bay area.

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• native to the Mississippi River drainage
• introduced in California

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Chris’s observations: 2 (all are research grade)

Locations:

• Henry Coe SP
• Pleasanton Ridge RP

Months:

• Mar.: 1
• Apr.: 0
• May: 0
• Jun.: 1

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Taxon info: iNaturalist

Bay Area species: iNaturalist