Minnows are smaller than goldfish but still a decent size, and cheap. Variety is the key if concerned about over or under supplementation (ie high saturated fats in goldfish). If no particular prey item is used as the bulk of the diet everything evens out. The same goes with mice. Not the main-stay of my frog's diet, I do feed them regularly. While young mice are lower in calcium this is balanced by the dusted crickets. The higher fat content is again, balanced by the low fat level of crickets.



If you want to get crazy you can simulate what I've done with my surinam toad. An aquatic species, they eat almost entirely fish. What I've done (more for an educational/visual value) is kept a small school of fish that are native to the northern amazon basin (many species of tetras and the like) in the enclosure. Although an educated guess (wild research is very very minimal with these guys), this would be the natural diet of these frogs, thus nutritionally balanced. I'd assume more research is available for horned frogs thus the native simulation would be made easier.

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