Dr Mark Everard is a scientist, author and broadcaster, working on water and ecosystems around the world. He also has an irrationally large interest in fish! Mark is also a passionate angler, getting out whenever he can after coarse, game and sea fish. He has an enviable track record of specimen fish with a particular passion for roach, dace and mahseer, and has long been a champion of 'little fishes' such as the ruffe. Mark Everard is often referred to as Vr 'Red,fllt'II in the angling press for his special passion for roach. For more about Mark and his work, see www.markeverard.co.uk. Mark is also the designer of the 'Dr Redfin 15 Foot Float Rod'.

• Introduction. What is a gudegeon? Gudgeon fishing. Gudgeon and people. Gudgeon bibliography.