1. Do dwarf otos like to be in groups
2. How often do you have to supplement their diet and what do you feed them...I read that you should feed them algae wafers or blanched zucchini in addition to any algae they eat in the tank...any input?
2. How often do you have to supplement their diet and what do you feed them...I read that you should feed them algae wafers or blanched zucchini in addition to any algae they eat in the tank...any input?