Keeping fish in tarpaulin ponds can be a solution when the fish cultivation area is now getting narrower. Fish farming in tarpaulin ponds is more practical and cheaper when compared to making concrete ponds which are expensive. The most important factors to consider in making a tarpaulin pool are: a. The type of fish to be kept. In fish farming in tarpaulin ponds, there are many choices of fish that can be kept. Examples are: catfish, tilapia, cork fish, goldfish, and many other fish. The selection of fish species to be cultivated depends on the potential of fish species in the area or can also maintain fish species that have high market opportunities. b. Size of fish kept in tarpaulin ponds. The size of the fish to be cultivated will directly affect the height of the tarpaulin pond. For example, small gourami seeds should not be kept in a tarpaulin pond that is too high. This gourami seed is enough to be kept in a tarpaulin pond which has a height of about 60 cm and a water level of a...