Polish wels catfish reaches 292 cm in Rybnik reservoir. New world record beats Italy's 285 cm from Po River. Crushes Poland's prior 261 cm from Vistula. Warm power plant outflow accelerates growth beyond normal Polish waters. Caught on spinning during competition by Krzysztof Pyra and Adrian Gontarz. Hol lasted over 1.5 hours after smaller 2.5m fish escaped. Fish released alive after photos. Legends of catfish attacking birds, sheep, cows now credible. Rybnik yields regular 2m+ catfish and 20kg+ carp. Event shocks global angling world.