001835:Fish Quay North Shields unknown ca.1890
by Newcastle Libraries, Public Domain Mark 1.0.
In order to find the right fish for your own aquaponics system, you can already fall back on a large selection of suitable food fish. There are small fish for small systems and large ones for larger ones. However, they all have to fulfil some basic requirements. As a rule, fish are used that can withstand the high, almost tropical temperatures in a plant. So they have to be heat-resistant. Furthermore, they have to get along with many conspecifics in a small space. This requires a certain stress resistance of the fish, which enables the breeders to keep, manipulate and care for the fish conscientiously and without hesitation.
One of the greatest dangers resulting from rearing in open aquacultures is the transmission of diseases and the transfer of genetic material from farmed fish to wild fish. This happens when fish escape from aquaculture and come into contact with wild animals. Since in aquaponics the facilities form a closed circuit and are located far away from the wild fish areas, there is no genetic crossing of the farmed fish with wild fish. This is another factor that has a strong positive effect on the use of aquaponics. So which species are suitable for aquaponics?
In the following we have listed all the relevant key data of a wide variety of fish species, which can narrow down your selection for your purposes by growth, breeding duration, temperature range and many other factors.
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