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![The spotted trout](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/eid_21.jpg?itok=LeOeyWy1)
Krækkjavassdraget
Few other animal species on Hardangervidda have been as much the focus of scientific research as the spotted trout. The spotted trout is considered to be a genetic variant of brown trout. It lives in parts of the Krækkjav water system. Otherwise, on a world scale, this species is only found in a small area in Kaukasus, and possibly also in a lake in Rondane.
![Grunnosen](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/austr_17.jpg?itok=YXEI98_B)
![The marine use environment on Krossøy, Austrheim](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/1/kvh_306-1.jpg?itok=G4q9_8h8)
Krossøy
Furthest north in the island community Rongevær, at the entrance to Fensfjorden, lies Krossøy. Belonging to the farm are the islands of Krossøy, Husøy, Kårøy, Lyngkjerringa, Søre Kjerringa, Rotøy and Kuhovet. All of them have been inhabited. On Krossøy itself today there are four holdings. The marine use environment here is one of the best preserved along the West Norwegian coast.
![Eio](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/eid_24.jpg?itok=YXGcEwC6)