Female Mosquito fish (Gambusia affinis) swimming above weeds, below the surface of Lago Baratz, Sardinia, Italy. This species is originally from the Americas, but has been introduced into many countries to control mosquito populations. This female is pregnant and will give birth to live young.

- Image ID: W7RF1C
Female Mosquito fish (Gambusia affinis) swimming above weeds, below the surface of Lago Baratz, Sardinia, Italy. This species is originally from the Americas, but has been introduced into many countries to control mosquito populations. This female is pregnant and will give birth to live young. Stock Photo
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Female Mosquito fish (Gambusia affinis) swimming above weeds, below the surface of Lago Baratz, Sardinia, Italy. This species is originally from the Americas, but has been introduced into many countries to control mosquito populations. This female is pregnant and will give birth to live young.
Nature Picture Library / Alamy Stock Photo
Image ID: W7RF1C