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Ring calves nets are called to fishing, which are enough in the Hochseefischerei until 2000 m long to be to be able and into a depth of 200 m. Also in the Binnenfischerei ring calves are used, which however smaller extent are (50 to 200 m long and up to 20 m deeply).
The ring calf is laid out circularly around a Fischschwarm, tightened afterwards the net with at the Unterleine tying line present, so that the fish are enclosed by the net completely. In the lower part of the net ring calves have very small mesh sizes, so that a careful catch of the fish is guaranteed and is excluded striking as well as Kiemenverletzungen.
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