Red Eye Tree Frog sick?

[Kisa]

Is he in the tank with other frogs that aren't in his species? It is a general rule of thumb when raising frogs not to mix species, different frogs have different toxins in their skins and can be counteractive to each other, causing illness or even death.

I don't know what could be wrong with your frog, but it might be that he has developed an illness due to rubbing up against another frog, touching a spot where that frog left residue from the skin etc. I would separate all different species from each other right away, for good. I'm not sure about keeping anoles with frogs, but I assume this isn't a good idea either, though I have seen some pet stores do this.

Other than this it would be helpful if you could post temperature, humidity, tank size and other animals you've mixed him with. Also you could post what you're feeding him, whether you dust the crickets with vitamin supplements, the kind of substrate you're using and what types of plants you have in the tank to further help others diagnose your frog's problem. This could be a simple environmental/husbandry issue.

Sorry I couldn't be of more use, but please for the sake of your frogs, separate any species that aren't the same and put them into different tanks. You could loose your entire collection by doing this, some people call is "slow poisoning".