Goldfish is one of the three major ornamental fish, which originated in China. Because the early breeding used ponds or water tanks, the species bred are all ornamental, and it is more appropriate to use canvas ponds to raise them. Moreover, its adaptability is strong, its requirements for water quality are not high, and its feeding habits are miscellaneous, so it is easy to feed.
Koi is an ornamental fish cultivated from carp. It is also a eurythermic fish. It inherits many characteristics of carp, such as mild nature, strong adaptability and so on. It is also good to raise it in a canvas pond. But it is better to control the problem, because its growth is closely related to the temperature.
Perch is a common edible fish. Its meat is fat and tender, with fewer spines, no fishy smell and rich nutritional value. It is a rare economic fish. It is also feasible to raise it in a canvas pond. Usually, in order to ensure its health, besides daily feeding, an oxygen pump should be prepared to oxygenate it throughout the day.
Pelteobagrus fulvidraco Pelteobagrus fulvidraco is a very common freshwater fish. It usually inhabits lakes with more aquatic plants. Its feeding habits are relatively miscellaneous. It can be raised in canvas ponds. Its adaptability is relatively strong, can survive in harsh environments, even a few hours away from water will not die, and hypoxia tolerance, usually mainly fed with animal feed.
