I have a 55 gallon tank with one strawberry peacock, 4 cobalt blue, 2 electric yellow, and 2 ob zebra. I also just had a cobalt blue zebra eaten to death... what should my numbers be increased to? Can I get mosquito larvae out of my pond and feed it to them? Last uear I fed my make guppies it and they loved it. What about with goldfish? Id assume I can since they usually go in ponds and woild eat them all.