Measuring 2.5 metres long and weighing 100kg, the huge fish was caught in the Oder River near Szczecin.
Renowned local fishing guide Paweł Kabat found himself in a scene straight out of folklore when he became locked in a mighty struggle with the two-metre-long monster weighing over 80 kilos.
Poland is prepared for a repeat of the environmental disaster that struck the River Odra last year, the climate and environment minister has said.
Soldiers and fire-fighters have taken part in an operation to neutralise golden algae in the Gliwice Canal in southern Poland, the environment minister has said.
Poland has been for years the EU's largest carp producer with its domestic production accounting for 30 percent of the total EU output, according to the National Support Centre for Agriculture (KOWR).
An investigation into the circumstances surrounding the death of thousands of fish in the River Odra this summer has found no abnormalities in sewage discharge into the river, an environmental official said on Thursday.
The Polish prime minister has said the environmental disaster on the River Odra that resulted in the death of thousands of fish was an act of nature.
A total of 134 tonnes of dead fish, recovered from the River Odra, have already been disposed of, the Zachodniopomorskie provincial governor has said.
Through the use of satellite images, German scientists have confirmed a massive algal bloom in the River Odra, in which an unknown pollutant has led to mass deaths of fish, the RND website reported on Monday.
Tests on dead fish from the River Odra show no signs of increased levels of dangerous chemicals, the head of the state veterinary institute has told PAP.