Aquarium Piran

Kidričevo nabrežje 4, 6330 Piran


+386 (0)41 975 386

The Aquarium is located in the old harbour of Piran. All the rooms have been obtained in so called Villa Piranesi for more than forty years. In 2009, the Aquarium was renovated and got a new look with all needed modern equipment.

Twenty-five tanks illuminated with artificial light are held in newly constructed much bigger rooms.

Lightning system includes a lamp “type F5” and HQI metal halogen lamp with different power and colour temperature. In this way the marine organisms are shown in their best natural colours. The aquarium tanks are of different sizes and capacities again to display better the marine organisms.

• 14 smaller tanks with a capacity from 250-400 litres
• 8 tanks with a capacity from 2.000-3.500 litres
• 1 hexagonal tank x 5.250 litres
• 1 tank x 6.000 litres
• 1 tank x 10.500 litres
• 1 octagonal tank x 11.000 litres
• 1 stone tank x 1.100 litres

Total volume of the tanks is 60.000 litres (60 m3).

The Aquarium has a special “service” room which contains a special receiver tank where the organisms are placed after having been caught. The main purpose is to check these creatures, any their possible injury, pest or disease. This is done by a vet. There is also a glass quarantine tank, which includes mechanical and biologic filters, oil skimmer (penilka), UV rays for sterilization and a chiller.

Because of the lack of space the aquarium water is purified by means of a sand filter along with ultraviolet sterilizers and oil skimmer (“penilka”) in which ozone is added. For filtration it is also possible to use 50 – litre container containing active charcoal.

Two chillers installed in the attic balcony are used to regulate the water temperature. In case of black-out an electric generator is turned on automatically and therefore ensures the operation of the whole system. In case of the pump failure a special device – air blower (zračno puhalo) is used, which enriches the water with oxygen.

In the new aquarium we can also pump fresh sea water which is used for cleaning the sand filter and refilling the tanks as the water gets lost through the maintenance. A tenth of water is usually changed with fresh sea water twice a week. This depends on weather conditions. We find the way we work and the whole system satisfying as all our marine organisms despite being captive are healthy and in a good condition. We invite everyone, from sea lovers to aquarists, to visit our new aquarium and get an experience of the sea world.

Opening hours:

  • From 1. 1. to 13. 4: open from 9 am to 5 pm
  • From 14. 4. to 3. 6.: open from 9 am to 9 pm
  • From 13. 6. to 31. 8. open from 9 am to 10 pm, OPEN EVERY DAY OF THE WEEK
  • 1. 9. to 13. 11. open from 9 am to 7 pm
  • From 14. 11. to 31. 12., from 9 am to 5 pm

Organised groups call two weeks earlier for confirmation on the phone +386 (0)5 673 25 72



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