I am a big fan of frogs and paludariums/vivariums.Hey,
Sorry if my english isn't really good (it's not my firsth language).
I have an aquarium for 3 years (I rebuild it one month ago) but this is not the main topic.
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I would like to make an new projet : a vivarium for bucephalandra (I like this small plant) but I would like to add a true ecosythem in and the true issue I would like to be a Borneo biotope.
The Idea is to have a Small aquarium in the Bottom with Small Fish or one Betta + shrimp (No Idea is I Can Find This Kind of Specie)
and the second part to have a small animal (frog / gecko ; lizard) to live between plants and flowers. I would like to have a lot of Invertebrate / collombel to create a true ecosytheme.
for the technical part I thniking to an terrarium 45*45*60 or 45*45*90 cm and I will see the other part after.
Thanks in advance for your help
A frog man
What species of frog you consider will change dramatically on the conditions inside the vivarium. You mentioned bucephalandra, do you mean to grow this underwater in the tank or above the water?
If you want to grow it above the water, you will need to keep humidity in the tank at or very near 100% all of the time. This leads to significant problems actually viewing the tank as condensation will always be on the glass. You can still find a frog that can live in this kind of environment, but you will be much more limited. Reed Frogs are supposed to do well kept like this.
The problem with reed frogs (this is from things I've read) they are nocturnal and they are LOUD in their calling. So if you are light a sleeper, you will have issues.
If you don't mind keeping the buce below the water's surface your options greatly open regarding frogs. BUT, certain other structural limitations will suddenly come into play.
It's fun to have a nice looking aquarium inside a vivarium. But practically speaking it's hard to carry off unless the tank is huge. In order to keep a betta you want at least 5 gallons of water. Using your 45x45x60 sized tank as an example, that would mean having the entire floor of the tank filled with water to a minimum of 10 cm deep before you can safely do it. that doesn't leave any room for terrestrial plants that aren't going on the back and/or sides of the vivarium.
In the 90cm option you can make it happen much more easily, but it's still not straight forward. Keeping the water in the water section is either very challenging, or the solution (siliconing in some more glass as a separator) ends up looking pretty bad and very unnatural. It can be done, but.... yeah, it might not match the vision you have in your head.
In other words, you will be far better off keeping your water critters living in aquariums and your terrestrial critters living in separate vivariums setup for their needs. This will be the case until you hit somewhere around 100 gallons of tank. At that point it becomes far easier to aesthetically work in a land and water section and still have enough room for both to be meaningful.