Tiger Nuts have been banned in many fisheries due to the potential long-term health issues and when cooked incorrectly, the Tiger Nuts can be fatal to fish.
Fish need to have a balanced diet and they can become too reliant on the nuts and this affects the fish’s digestive system.
In some fisheries, Tiger Nuts were being used too often and in large quantities. Since the fishery owners could not control this, then many made a decision to ban them outright.
Because Tigernuts are high fibre and oil content, they are only partially digested by fish. Large areas of the lake bed can be covered with excrement, which can cause overfeeding as other fish will continue to eat the waste.
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Seahorse Swim School