Some People Clean Algae, I Clean Critters

[dunl]

That would do it.

At that size, if it is established you should have no problem sustaining a mandarin goby.

[MarkoD]

Originally Posted by dunl

That would do it.

At that size, if it is established you should have no problem sustaining a mandarin goby.

its only about a month and a half old

[bignose]

Give it time. Perhaps you have a overpopulation of certain "critters" that are thriving due to your cycle. Over time as the cycle and ecosystem stabilizes they might drop in population. The whole circle of life thing but in an aquarium.