The nordic exhibit

The Nordic landscape hold many wonderful and inspiring watery environments. From bewitching and dark forest lakes to the windswept, sun-drenched islets of the archipelago. They are also home to a variety of unique and interesting animals from salmon that spawn in the rivers of Norrland to the nightly serenades in the frogponds of Skåne.

Swim ahead - buy your ticket today!

Sewer adventure

In the sewer adventure you will see and learn how we humans affect nature. 

The eutrophication of our lakes and in the Baltic Sea is due to high levels of nitrogen and phosphorus in the water. This aggravates algae blooms every summer.
The acidification of lakes and streams is due to the emissions of sulfur from factories and cars, returning to the lake in the form of acid rain.

Did you know?

A pinhead-­‐sized amount of milt is sufficient to fertilize one liter of roe. About  6-­‐8,000 eggs we collect from each female. 

Nordic waters

The last ice age ended about 11,000 years ago. Since then, the Nordic waters have developed within a stable, temperate climate with four annual seasons. The climate in Scandinavia is relatively mild, partly because the Gulf Stream brings it warm water but also the prevailing winds from Western Europe and the Atlantic bringing in warm, moist air. Just as in tropical areas the water circulates from fresh to salty. The rains in the mountains fill the rivers flowing into the Baltic Sea, which in turn empties into the North Sea.

The Baltic Sea is the world's largest brackish waterbody and salinity varies greatly from 20- 25 parts per thousand (ppt) at the Danish inlets from the North Sea to only 3-4 ppt. at the top of the Bay of Bothnia. This is also a shallow sea (average depth is only 55 meters), with a low flow of water, a low water exchange and relatively few species, making it a particularly sensitive and fragile ecosystem. Calculations show that it takes about 25-30 years for the waters of the Baltic Sea to be replaced with new water; this means that pollutions affecting the Baltic will remain for a long time.

Maternity ward for Trouts

Here you will get to follow the life cycle of the salmon trout in Aquaria’s waters, all the way from roe, via fry, to one year old to two years old trout, which will eventually swim out into the Baltic Sea via the same stream their parents arrived in just two years earlier.

To breed a game fish like this, in the middle of a capital, is unique to us at Aquaria. In other words, it is a project we are very proud to share with you