You can also add some small fish — many species of fish think that mosquito larvae and pupae are delicious.
Cool mosquitofish facts:
- An adult female can eat between 300-400 mosquito larvae in a single day.
- They're highly tolerant of low-oxygen and high-temperature water. They're hardy fish.
- They're native to North America, so pose little risk to getting into the water system, as they're already there.
- They're so effective at reducing mosquito populations, some local governments give them out for free.