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The Roman Peschiera (Fishpond)
At the foot of the Ventotene lighthouse is a white-coloured cylindrical masonry structure: it is the Roman Peschiera (fishpond) dating back to the 1st century BC, used for the practice of fish farming, which was one of the distinguishing features of the Roman world.
The imperial family's seaside villas were enriched with sophisticated fishponds. You may not believe it, but at the time the bounty of saltwater fish had only been a discovery of the upper classes. In fact, the less affluent classes continued to consume freshwater fish.
The monumental work consisted of two covered tanks, in which fresh and salt water were joined by means of canals, creating the ideal environment for fish breeding. The outer tanks were responsible for mixing fresh water with seawater, while the central tank, the largest, had an ingenious grating system that allowed seawater to enter but prevented fish from leaving.
To ensure water was always fresh and viable, the marine environment was recreated within them. Small kelp-covered rocks and ravines carved into structures provided natural shelter, while shady areas protected them from the strong summer sun.
In addition, to make their environment even more welcoming, the fishponds were equipped with submerged receptacles, which were ideal places for spawning and quiet nesting.
Come to Ventotene and discover this precious legacy.