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most cp's are unsuitable for vivs, the only ones i can think of that would work are the "3 sister" drosera, utricularia and nepenthe's. The drosera's may be able to trap and kill frogs but im not sure about nepenthes, not sure if the frogs could escape from their traps or not. Utrics are perfectly safe though
 

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Here's a picture of a viv I planted 2 years ago, the pitcher plant at the top quit producing pitchers due to the substrate not being moist enough. I started watering it everyday about 2 weeks ago and now have a pitcher opening. I just purchased a parrot, & a purple pitcher plant along with a bladderwort for some new viv's I'm going to plant over the holidays.
Good luck!
Brian
 

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If living frogs/other animals are involved (particularly when mixing species that evolved in completely different parts of the world) I usually do not recommend anything other than some of the semi-terrestrial bladderworts in terrariums for a few reasons - basically comes down to cultural conditions and food sources. The rare case would be certain treefrogs and some of the pitcher plants which do interact in the wild (and the frog even raises tadpoles in the pitchers!) but you have to have the RIGHT pitchers (specifically the ones that trap falling debris, not digesting living things caught in the trap) and the RIGHT frogs!

Many CPs may not get the conditions they need long term to thrive... some prefer extremely high light and low nutrients (to the point of wanting RO/distilled/rainwater). Most frog tanks are moderate to low light and have nutrients in the tank which feed other plants, feed microfauna, or just results of frogs eating some food ;) That cuts out a lot of sundews and native pitches (particularly the light issue). I only keep sundews around on my frog shelf to get loose flies, they are not actually IN the tank.

Other issues I've had is that frogs in a confined space can knock the living daylights out of plants! I had some seeds germinate of native sundews in a tank of native marsh frogs. They did great until the native frogs squashed the daylights out of them. They are not the fastest growing plants and just could not keep up with the damage. Unless you had small frogs and big plant you could have a squishing problem....

... of course then your CPs may eat your frog. This is particularly troublesome with plants with large active traps. Think fly traps and tropical pitchers that work so hard to attract live things to eat. Pitchers are evolved so that things to in do not come back out. When you have living things capable of their own movement it gets pretty crafty, and then frogs are TOTALLY on the menu. If they can trap a well developed treefrog, a PDF is easy pickings. If the frog can fit in the pitcher, there is a danger. Fly traps don't often last long because of cultural conditions, but also because if the frogs keep setting off the traps those leaves eventually die and if the plant can't replace them that can kill them right there.

I can't really speak for Pings as I've had bad experiences with them outside of a terrarium, much less in one. One I did see in a tank ended up not lasting long because the frogs kept tracking debris all over it and it eventually died because of either bad conditions or being trampled. It had to be in it's own separate area because it's substrate had to be different than the rest of the tank.

The only CPs I can think of off the top of my head that even occur in the same niches where our little lovelies live tends to be the bladderworts... they can handle the nutrients, lower light levels, and traffic. There are a number of cool sundews - but they tend to be in areas of broken tree canopy that is often scrubby and not good PDF habitat.
 

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If you want a dynamic carnivorous plant/ animal enclosure get some Nepenthes, and Geosearma crabs. You could probably add some smaller communal mantids to an enclosure like this as well
 

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So it sounds like the open topped (and wide mouthed) detritus eaters then? I imagine with all the sorts of bristles and caps and ridges and hairs some of the more "predatory" ones have they'd not be a good crabby home LOL. Well, they'd be it's home until it died... o_O

But back to in PDF terrariums - I still have to show some love for the Utrics! If you've got a bit of a wet spot in your terrarium to start them in (or a clump of LFS - some are epiphytic!) you can go biotope if you want to or even just get an extra splash of color when they bloom! If the frogs knock the blooms down they just send up more ;) and they will seed in the tank and grow where they enjoy the conditions. Can't go wrong :D They just aren't as visually exciting I guess? I always get asked what the little flowers are....
 

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I can't really speak for Pings as I've had bad experiences with them outside of a terrarium, much less in one. One I did see in a tank ended up not lasting long because the frogs kept tracking debris all over it and it eventually died because of either bad conditions or being trampled. It had to be in it's own separate area because it's substrate had to be different than the rest of the tank.
I used to keep several species of pings in a CP terrarium, which in a fit of brilliance (I was 14) decided to try to breed some Lymnodynastes dumerilli which I had caught in a creek which ran through my Dad's property. They both thrived. Interestingly, the frogs (of which 2 of the originals are still alive almost 14 years later) and the pings thrived. I didnt have much substrate for the frogs to track around, and I had managed to somehow get sphagnum moss to grow like a bushfire. Had to be trimmed twice a month. The frogs favourite place to sit in the tank was on the leaves of the Pinguicula primuliflora. I took them out twice a day to check their skin for damage by the digestive enzymes when I first noticed this but they were fine. Plants thrived coz the frogs defecated on the leaves, which the pings seemed to be able to digest. It was quite fascinating.
 

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I figured since the original post was talking pitchers and sundews that a list of Utricularia wasn't needed, but can post some species if there is interest. The yellow flowered species from African tend to have really tall flower spikes but some of the most popular (and dare I say weedy in some cases) are smaller and tend to be south american. I am particularly fond of when the "angry bunnies" pop up in my tanks... the best ones for terrariums are semi-aquatic so starting them near a pond and letting them spread works great!
 

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I would like to see them in a paludarium setting where you can see the trap roots free dangling in the water. Like planted on an overhanging piece of wood with a hole in it or something. Now Im thinking of doing a crazy viv. Orchids, Nepenthes, Geosearma crabs and some non aggressive mantis like Acanthops or something. hmmmmm need....more...room for tanks!!!! hahahaha
 
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