Quote Originally Posted by Amphibifan View Post
... I've given him primarily nightcrawlers, with locusts in the summer, and crickets and super worms when neither of those are to be had. ...
Would either not use or feed super worms very sparingly due to their high fat content. Night crawlers on the contrary are the perfect staple food.

Quote Originally Posted by Amphibifan View Post
Forgot to mention he is growing very well and seems healthy in every way. Also, as to the red coloration, this was only during summer when I was feeding him wild grasshoppers.
Can it be that the claws on their legs and or their mandibles are causing him grief during the process of eating and digestion? He might've been too young then to feed adult hoppers, but they did fit in his mouth, so I thought he'd be fine. I made sure to collect prey in chemical free areas. If that helps anybody to understand the situation!
If grasshopper heads are as indigestible as crickets would not use any bigger than the distance between the eyes. ABFs can fit a lot of food in their mouth! That does not mean it will pass easily through their digestive system and could even cause impaction.

IRT wild caught insects; you are taking a risk because of possible pesticide exposure. I live in a city that uses truck foggers to try and control mosquitoes so it's a big no-no. Guess if you live in a rural area with no neighbors that spray insecticides and the insects you catch are local; your risk is reduced. Even if in traces; your frog's liver could be storing insecticide poisons it can't process. That would happen until the levels get high enough to damage liver and then your frog basic life functions would be affected. Good luck!