Strange round discolored spot on Male

[Bungmangler]

Good day!
I've got a male African bullfrog named Pembleton. He is such a delight,however I noticed today (unknown how long they have been on him but i cannot imagine more then 2-3 days) that he has a 2 nicely round spots on his abdomen and was wondering if this is a issue or not (one spot is 4-5mm diameter other 2-3mm). Looks like a skin ulcer of some kind,no discharge or film on it either. Google couldn't give me any answers so I am appealing to any experts on here.

He is approximately 7 years old, no issues besides accidentally discharging part of his reproductive organ ( vet visit fixed that).

Healthy appetite, just gobbled a mouse about 10 mins ago, no change in energy or disposition.

Picture of largest spotattached in zip because I cannot get them to embed.

Thank you in-advance!

[Bungmangler]

IMG_0759_zps3drttq8u.jpg Photo by Bungmangler | Photobucket

[habeeb]

it doesnt seem to me like its anything harmful....but i could be wrong...looks like its just a mark that is unique to ur frog...kinda like a birth mark lol