Hi guys. Newbie here. My names frank and im very interested in building a vivarium for some dart frogs. Since im completely new at this i have a few questions. They might have obvious answers but as a newbie im completely puzzled by this.

1. I currently have a 36x10x16 fish tank. Is that good enough for a couple of dart frogs? (im planning on getting azureus)
2. Also i was thinking of adding some small fish to it. Is it a good idea to mix frogs and small fish?
3. If its possible to have both fish and frogs, do I still use hydroballs for the bottom or how does the setup work in that case?
4. If its possible to have both fish and frogs, are spring tails still added to the setup?

Thanks in advance to everyone that helps me with this.

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