I can't answer your question however I did have some information you might find useful. I discovered that my hatchlings love small silkworms and appear to be putting weight on faster now that I am feeding these a few at a day. Prior to that I was trying to get by on just small crickets. The silkworms are easy to produce if you have mulberry trees around (but you can get powdered food also). In just a few days they are now coming clear across their (small) tank to get the worms from my tongs.