Which fish to eat mosquito larvae ?
Mosquito fish, Gambusia affinis, have been introduced in many parts of the tropical and subtropical world in the mistaken belief they are efficient mosquito eaters. It turns out they are more efficient at eating the fry and eggs of other fish and so the mosquito population can actually go up where they have been introduced because the number of native fish goes down, the ones most well adapted to their environment and eating the mosquito. This comes from a misunderstanding of how the mosquito fish got its name, which is because it’s very small, like a mosquito, not because it eats mosquitoes especially well. If you live in parts of the range of the fathead minnow which covers most of North America except for near the Gulf and Atlantic coasts and the Pacific coast in the west, they are the coldwater choice for eating mosquitoes. Fathead minnows, often called roseys or rosey-reds in their more colorful yellowish form, if are native in your area, will be found at local bait shops and even
