Hey Roger,
I think that these are the Mantella that you previously mentioned that you were getting from Josh's Frogs.
http://www.frogforum.net/showthread.php?t=34607
Back then we provided you with a lot of information in the thread to assist in setting up for them correctly....including recommended quarantine for any new frogs.
Lynn mentioned the importance of quarantine and I also am a big proponent of QT conditions for any new frogs for at least 1 month (3 mo is better) to make sure all is fine....this allows you to really make sure that they are all well and eating (and get testing performed especially if they are going in with other individuals that you already have established).
I recommend removing this frog to a quarantine container set up so it can be evaluated better. (search threads here for quarantine info....need a small simple set up (some damp paper towels (I use a layer of six) or sphag moss lining the bottom, some simple vegetation (like a section/piece of pothos), a small water dish, a hide.)
Things can happen to a frog in a larger viv that you won't be able to see / be aware of.
Hard to say what's going on here, but I agree with Lynn that it could be an injury occuring during shipment, unpacking, handling, etc.
Calcium / Vitamin A:
As mentioned in the other thread, I recommend ditching the pink and blue Reptical / Reptivite supplements if you are using. They do not have preformed Vitamin A and many, if not all, adult frogs (unlike reptiles) cannot convert carotenoids into Vitamin A.
Instead use Repashy Calcium Plus for regular dusting and switch out with Repashy Vitamin A Plus for dusting once every 2 weeks. Alternatively, Dendrocare can be use for regular dusting. The Repashy or Dendrocare products have formulated levels of Vitamin A for frogs needs and are what I and many others use. Some people have dusting schedules incorporating all three.
To be on the safe side, replace Repashy products approx. every 3 months after opening, and Dendrocare every approx. 6 months after opening so that the vitamins are fresh/not degraded.
You need to contact Josh's Frogs to let them know what's going on with that individual frog since you obtained the frog from them to resolve this matter....they are super reasonable, helpful, etc. and have the best inside info on the state of the frogs that were sent to you.





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