Do Otos and Corys do better in groups? I have 2 otos and 1 cory. How many of each should I have to keep them happy?
Currently I have the following stock:
55g
4 mollies
6 guppies
8 rasbora
3 ADF
2 otos
1 cory
1mystery snail
Currently I have the following stock:
55g
4 mollies
6 guppies
8 rasbora
3 ADF
2 otos
1 cory
1mystery snail