Size: 1/16th of an inch
Great For: Poison Dart Frogs, Tropical Fish, Praying Mantids, and other animals that need very small prey.
Why pick Melanogaster over Hydei: Melanogaster fruit flies culture in about 14 days whereas Hydei fruit flies culture in about 21 days. They are less likely to mold, less likely to crash, and are much more forgiving to low humidity or incorrect temperatures.
Size: 1/8th of an inch
Great For: Newly hatched Chameleons and other animals that need small prey, but are too big for Melanogaster.
Why pick Hydei over Melanogaster: Hydei are larger than Melanogaster fruit flies. Hydei fruit flies are also a great way to add variety to the diet of animals that are too small to eat crickets.
For more information see our in-depth article on the difference between Hydei and Melanogaster fruit flies