Afraid of the dark Our exhibits From the reef to the sea bed A 100,000-litre “silurium” Plunge into a nocturnal lifestyle in an obscure atmosphere. See large sheatfish swimming around a wooden bridge modelled on the Bir Hakeim bridge by the Aquarium’s team. Watch eels coming out of their hiding places. Deep zones in the Loire river “Silurium” capacity: 100,000 litres of water Water temperature: 18°C See on the map The species in the “Afraid of the dark” exhibit Sheatfish See the species Sheatfish European eel See the species European eel