|Better Farming Series 38 - Better Freshwater Fish Farming: Raising Fish in Pens and Cages (FAO, 1990, 83 p.)|
174. If you have used baby fish 8 to 10 centimeters long or weighing about 15 to 20 grams and have fed them well, they will be ready for harvest in about five months. At this time the fish will weigh 100 to 150 grams each.
175. If you want to harvest only some of your fish, use a small hand net and collect what you want without moving the cage.
collect what fish you want without moving the cage
176. If you want to harvest all of your fish and your cage is small enough, pull it into shallow water and begin to collect the fish using a small hand net.
collect some of the fish after moving the cage to shallow water
177. When you have collected most of the fish, you can lift the cage out of the water and collect the rest.
then, collect the rest of the fish after moving the cage out of the water
178. If your cage is too big to lift out of the water, pull it into shallow water as far as you can and collect the remaining fish.
if your cage is too big you may have to collect all of the fish in shallow water
Note If you do not need all of your fish, harvest only what you need and leave the rest in the cage. Fish can be left in a cage as long as you continue to feed them.