During all occupations known by populations that lived in Oltenia, fishing holds a special place because of the dense hydrographic network that allowed an early practice of this occupation.
Data regarding the importance of fisheries in the economies of the population are contained in the Diploma Ioanits' of Oltenia in 1247 that provides news with regard to fisheries of the Danube and the ponds of Celei, which are representing a major source of income, together with watermills and meadows. During century the XIVth and the XVth, the documents issued by the Romanian Country the chancelleries of rulers provide increasing information about fishing at Danube the Oltenian and at the ponds nearby. Mircea the Great strengthens by a decree the possession of the Monastery Tismana over the Bistret pond, and in 1392, the same ruler gives Mamina Monastery called pond to the Cozia, identified with the former swamp Celei from 1247, mentioned in the Diploma Ioanits' together with the Potelu pond.
Patrimony of the department includes, among other things, fishing forks of iron used especially for fishing in the mountain waters, the made of woven wattles pots, hooks, mind, cast nets, gill nets, seines. The Karmaks are large iron hooks, well sharped in pairs on fixed a rope that was kept in the Danube. The length of the rope was related to the width of the node. They were put into the Danube in the spring and stayed there until autumn.
A special interest is shown for the boat (cin, monoxil) carved from a single tree trunk used for fishing on Jiu, Olt and Danube. The use of this type of boat on the Danube is mentioned as early as 335 BC by historian Arrian on the occasion of crossing the Danube by Alexander the Great.