Fruit flies, or Drosophila are an excellent food for most small fish, largely representing the natural killifish diet of invertebrates. Flies are the perfect food for surface dwelling fish species, but even killies from the lower strata, like Nothobranchius can be trained to eat them. Drosophila larvae are also a good food for killies, and although rarely a 'favourite' food, are an easy source of small food when worms are not available.

A Rivulus xiphidius eyes up a fruit fly
Feeding fruit fly larvae to killifish
Larvae of any size can be fed to killies to suit their needs. Lots of larvae can be scraped from the sides of their vial, and if a drip of water is added , the rest will make their way out of the media and up the sides. After this you can leave the remaining larvae to hatch turn into flies, or to be really thorough you can add the contents of the vial to a strong (3M) salt solution. The food dissolves away or sinks and the larvae will float, allowing them to be scooped out with a net, rinsed and fed. It is crucial not to over feed with Drosophila larvae, as they drown very quickly (1 hour or less) and although fish do eat them, they do not eat them with the same relish that they enjoy other insect larvae.

Cute fish look evil from above
Feeding with flies
Simple throw them in! The flies float on the surface, sometimes in clumps. If they can get to the sides they will climb out. Feeding fish with fruit flies is easy when the fish are hungry and waiting, however some will always escape. Surface feeders, such as Epiplatys will devour them quickly, however other species need to be trained, not so much to eat them, but to notice that they are there! Unless your fish are mad for fruit flies, only feed a few at a time! Again, 5-8 minutes in a freezer can immobilise flies for some time, but they do wake up after a few seconds in warm tank water.
Fruit fly cultures for sale
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Cleveland, Georgia, 305**, UNITED STATES OF AMERICA
$70
??PLEASE READ BEFORE PURCHASING??
(WHAT YOU RECEIVE)
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Name: Drosophila melanogaster (x1 CULTURE)
"Golden" Drosophila melanogaster (x1 CULTURE)
Sizes: Flies, Larva & Eggs
Count: 50+ Per Culture (will produce prolifically)
Sex: M / F
WITH EXTREME TEMPS THERE WILL ONLY BE
LIVE ARRIVAL GUARANTEE WHEN UPGRADE TO
EXPRESS MAIL OR IN TEMPS BETWEEN 0 - 85F
(CULTURE ...
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Cottage Grove, Minnesota, 550**, UNITED STATES OF AMERICA
$25
Finn's Frog Farm
Fruit Fly Media
Makes 24 fruit fly cultures
Multi Species Formula
Cultures should be kept below 85 degrees and will start producing flies in 12-14 days. Depending on temperature and humidity of your location, adjust the amount of water
Dryer conditions more water, humid conditions less water
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Etters, Pennsylvania, 173**, UNITED STATES OF AMERICA
$25
The product is a Golden fruit fly culture kit + 1 additional container of just-add-flies food designed for dart frogs and reptiles. Produced by the brand Crazy Frog Lady, this product provides a convenient and natural way to feed your pets. The fruit flies are a nutritious food source for many reptiles and amphibians, promoting healthy eating habits and reducing the need for processed diets. With this product, you can easily maintain a steady supply of live insects for your pets to enjoy
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Dover, Pennsylvania, 173**, UNITED STATES OF AMERICA
$25
Introducing a pack of four fruit fly cultures, specially designed for reptile supplies. These live cultures are brought to you by Crazy Frog Lady L L.C. and are perfect for feeding your pets. You will receive a variety of Turkish Gliders, Golden Hydei, and Flightless fruit flies in this pack.
The high-quality brand ensures that your pets get the best nutrition. These cultures are suitable for pet owners looking for fresh and healthy food for their reptiles. So, if you are looking for a new ...
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Dover, Pennsylvania, 173**, UNITED STATES OF AMERICA
$35
Welcome to our listing for a Fruit Fly Culture 4Pack Variety! This product is perfect for those in need of a live food source for their reptiles and small frogs
The 4 pack includes Wingless Turkish Gliders, Golden, and Hydei flies. These fruit flies are perfect for feeding reptiles and small frogs, as they are flightless and will stay in the enclosure for a longer period of time. Our product comes from Crazy Frog Lady L L.C, a trusted brand in the industry
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