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The extant fish list for Lake Kerkini is old and out of date. Below I have tried to present a list of the fish that are currently using the lake and those parts of the river that are within the nature reserve. Wels (Silurus glanis), Eel (Anguilla anguilla) and Pike (Esox lucius), are still on the list, although very few have been caught in the last few years, one 12cm Esox in 8 years for instance. Sander (Stizostedion leucioperca), Brown Trout (Salmo trutta) and Rainbow Trout (Onchorhychus mykiss), are now considered to be extict as far as the reserve is concerned, (partly because the dam prevents migration), however Eel and Pike may occur in the river down stream of the lake. Caucasian Goby (Knipowitschia causcasica) is on the list but is a bit of an enigma, as it is normally only found in brakish, coastal waters, and I have found nobody who has ever seen a specimen here. The picture above amply demonstrates the problem that the introduced Carassius auratus presents to the local fishermen, comercially it is worth far less than its relative Carassius carassius.
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