this might be a stupid question but are they poisonous or not?

also i've seen they come in different morphs and wondered if you can keep different one's together?

sorry if these are 2 stupid questions just wondered thats all

the food they eat in the wild makes them poisonous so ive read. so in captivity they shouldn't be as toxic as in the wild.

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1 kimberlys rock monitor, 1 yemen chameleon
1 freckled monitor, 1 bosc monitor
4 green anoles, 1 usa green tree frog
3 whites tree frogs, 1 water dragon
1 kune kune pig
1 micro pig
2 dogs