The adults were probably to stressed out to atemped eating the juveniles. Once the adults are set up properly, if left in with the juveniles then they might eat them. The herper that brought back a group of about 10 to 12 adults of different sizes, had found out that after the spinys were set up, within a month they started finding babies in the cage. He thought nothing of it and the next time they went into the cage to sell some babies he discovered there was no more, they had been eaten by the adults. Once the babies are about half the size of the adults there should be no more worries with canibalism.

Lizards are fine just eating crickets, if that is all they are willing to eat. As long as there is proper full spectrum lighting and a calcium supliment dusted on the crickets. Or you may want to try the reptical multivitamin supliment, I have used it , but I have not seen any differece from when I didnt.

Just my experience, but I will not feed mealworms to most lizards, because alot of lizards cannot crush them completly then you have the chance of a ingested mealworm eating its way out of the lizards sides. It has happened to me a couple of times. If you are looking for something different to feed the lizards, you can try silkworms, butter worms, or cockroaches. The silkworms and butter worms are really good for putting on the weight on any lizard. They are a little on the expensive side though. I am not sure on the nutritional value of the roaches, I dont feed them because they are hard to find and usually if you feed roaches consistantly you have to breed your own. I hope all this information helps you with your yarrow (mtn) spiny's.
mtnsnakeman@excite.com

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