Once you have decided to collect live food, the first thing you must do is find a pond that contains the food you are after. You should look for a fairly small pond that is partly stagnant, but not polluted, and contains very few or no fish. If the pond has firm banks around it and the water deepens quickly, it will make your job of collecting a lot easier. If you are not able to find a pond like this, tall boots should get you into deep enough water to draw your net through.
After you have found a suitable pond, round up something with which to catch and transport the food. To capture live foods you need a fine net. A woman’s nylon stocking sewed to a six-inch by six-inch stiff wire frame, fastened to a long handle, works excellent. The food can be carried in anything that holds water, as long as it is clean and free of chemicals.
Now that you are ready to go, knowing what to look for may help keep you from getting discouraged. The food organisms most often caught by aquarist are daphnia, mosquito larvae, and glass worms.
Daphnia are small crustaceans averaging about the size of a pin head, or a little larger. They are reddish-colored and swarm near banks of the pond, swimming in vertical, jerky motions.
Mosquito larvae are probably the food eaten most by wild fish. They can be seen hanging from the surface of the water in their third stage of development. The ...