i read somewhere that if the belly of the stingray is pink thats not good... well my motoro is 5 inches and the middle part is pink but the outer parts is the same color as the top. is this normal? this is my first stingray so i dont know much.
yeah pink is a sign that their underside is agitated by rough gravel usually, indicating broken blood vessels i believe. smaller rays usually are a bit pinker though...
Younger rays will have a little bit of pink coloration to their belly. It's pretty typical.
If it stays thay way as it grows, I'd look at either changing the substate or looking for a source of a bacterial infection.