How to Raise Mosquito Larvae for Fish Food from wikiHow - The How to Manual That You Can Edit Some fish require live food to survive; some require live food to breed. Raising mosquito or midge larvae for this purpose is free, simple to set up, and requires minimal work. All it takes is a bucket, water, and some sun. Steps Find a bucket or plastic barrel . A 5 gallon bucket will work, as will a 50g barrel. It is possible to collect 30-40 larva per day from a 35g barrel.A black bucket will get warmer earlier but it may get too hot in mid-summer. When the temperatures reach a high of 80F, move the bucket to a place that is in shade all day. The indirect sunlight will still allow the algae to grow. Algae is the main food source for the larvae.Alternatively, you can use a 5g or 10g fish tank so you can see the larvae better and reach the ones that escape to the bottom of the tank. An acrylic tank will be more suitable for outdoor use. Put the bucket outside and allow it to fill with ra...