When transporting live fish in tanks, many fish die due to crowding. It has been proven that if you force the fish to move actively

When transporting live fish in tanks, many fish die due to crowding. It has been proven that if you force the fish to move actively, losses are reduced several times. But how to do that? All kinds of pumps, agitators and similar units. built into tanks, only cripple fish. Suggest your options for solving this problem

A pike or other predatory fish must be put into the tank. She will make the fish move, and even if she swallows a couple of fish, the rest will survive.

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