Depending on your reason to keep them my advice could be either negative or positive, so you’re right about reading two contradictory messages.
If that’s the case, I strongly suggest you to get as many species as you can house and breed. Most species are threatened by habitat destruction, so the captive populations should be as big and genetically diverse as possible. This is a great opportunity, don’t let it slip!
They are, at least where I live. They could be real opallios, but I wouldn’t put my money on it. If they are, you might just be the only American owner in the project!