select a "Large pond" or "Small pool"

Some people say, the company can be compared to a fish pond and employees. Assumptions, the bigger fish the greater authority and power will he posses. In growing with career, we could choose, would be a big fish in small pond or small fish in the huge pond. Or maybe a big fish in big ponds and other possibilities. To ensure that every option has requirements and implications of each of them. Before you make a choice, this study can be considered: