if i had two males in my 30 gallon tank, will they display their red stomach? i had just bought my kribensis yesterday, i only bought one and it had a red belly when i woke the next morring it was gone tell me how to get it back
Your fish could still be stressed. Some fish can take a while to feel safe in their new home. Make sure your water parameters are good, he has places to hide and good food. He'll show off when he feels secure.